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| from 01/01/1997 to 07/01/1998 in Business Source Premier |
| from 03/01/1998 to July/August 1998 in LexisNexis Academic |
| from 01/01/2002 to present in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| in Investext Plus "UA Campus Access" |
| from 1999 to present in Directory of Open Access Journals |
| from 03/01/1987 to present in LexisNexis Academic |
| from 03/01/1996 to present in General Reference Center Gold |
| from 06/01/2001 to present in InfoTrac OneFile |
| from 06/01/1991 to 06/01/1994 in InfoTrac OneFile |
| from 1999 to 1999 in ACM Digital Library |
| in Investext Plus "UA Campus Access" |
| in Investext Plus "UA Campus Access" |
| from 02/01/2002 to present in Business & Company Resource Center |
| from 11/01/1994 to present in InfoTrac OneFile |
| from 01/19/1995 to present in ABI/INFORM Complete and ProQuest Research Library |
| from 02/15/1996 to present in LexisNexis Academic |
| from 06/01/1998 to present in Business & Company Resource Center |
| from 06/28/1994 to present in Factiva |
| from 01/01/1989 to present in Expanded Academic ASAP and InfoTrac OneFile |
| from 1990 to present in Directory of Open Access Journals |
| from 01/01/1987 to present in ABI/INFORM Complete |
| from 01/01/1997 to present in Factiva |
| from 08/01/2001 to present in Business Source Premier |
| from 01/01/2002 to present in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 01/04/2002 to present in ABI/INFORM Complete |
| from 01/10/1997 to present in LexisNexis Academic |
| from 07/25/1997 to present in Business Source Premier and MasterFILE Premier |
| from 10/05/1990 to present in Factiva |
| from 03/01/1996 to 01/01/1998 in LexisNexis Academic |
| from 01/01/1996 to 02/01/1998 in LexisNexis Academic |
| from 12/01/1995 to present in Factiva |
| from 04/08/1994 to present in LexisNexis Academic |
| from 01/31/2000 to present in Factiva |
| from 04/01/1998 to present in LexisNexis Academic |
| from 06/01/1999 to 08/01/1999 in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 03/05/1997 to present in LexisNexis Academic |
| from 03/05/1997 to 10/20/2001 in Factiva |
| from 05/01/2001 to present in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 05/27/1998 to 10/19/2001 in ABI/INFORM Complete |
| from 05/01/1996 to 11/01/1999 in LexisNexis Academic |
| from 06/01/1989 to 01/01/1991 in InfoTrac OneFile |
| from 04/10/2000 to 12/10/2001 in LexisNexis Academic |
| from 06/01/1999 to 12/01/2001 in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 06/01/1999 to 12/01/2003 in Expanded Academic ASAP |
| from 07/19/1999 to 12/10/2001 in Business Source Premier |
| from 01/01/1994 to present in Factiva |
| from 03/25/2002 to present in Business Source Premier |
| from 06/14/1999 to present in ABI/INFORM Complete |
| from 08/01/1997 to present in Business & Company Resource Center |
| from 11/01/2000 to present in LexisNexis Academic |
| from 01/02/1996 to present in LexisNexis Academic |
| from 01/04/1995 to present in ABI/INFORM Complete |
| from 05/01/1998 to present in Business & Company Resource Center |
| from 06/06/1994 to present in Factiva |
| from 05/01/2001 to present in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 10/01/1998 to 02/01/2002 in ABI/INFORM Complete |
| from 01/01/1995 to present in MasterFILE Premier, Military & Government Collection and Vocational Search |
| from 01/01/1999 to present in LexisNexis Academic |
| from 01/01/2002 to present in Factiva |
| from 05/01/2002 to present in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 07/30/1996 to present in LexisNexis Academic |
| from 11/07/1995 to present in Factiva |
| in Investext Plus "UA Campus Access" |
| from 01/01/1992 to present in LexisNexis Academic |
| from 07/01/1999 to present in Business Source Premier and Vocational Search |
| from 09/01/1998 to present in Business & Company Resource Center and InfoTrac OneFile |
| from 11/01/1996 to present in LexisNexis Academic |
| from 12/01/1991 to present in Factiva |
| from 02/01/1998 to present in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 07/01/2001 to present in Vocational Search |
| from 11/01/1998 to present in ABI/INFORM Complete |
| from 07/01/1990 to 05/01/1994 in InfoTrac OneFile |
| from 02/01/1989 to 06/01/1990 in InfoTrac OneFile |
| from 01/01/1997 to present in Factiva |
| from 01/01/2001 to present in LexisNexis Academic |
| from 03/01/1997 to present in Business & Company Resource Center |
| from 12/01/2000 to present in ABI/INFORM Complete |
| from 03/01/1997 to present in LexisNexis Academic |
| in LexisNexis Academic |
| from 01/26/2001 to present in Factiva |
| from 08/08/2001 to present in Factiva |
| from 11/03/1999 to 05/25/2001 in Factiva |
| in Investext Plus "UA Campus Access" |
| in Investext Plus "UA Campus Access" |
| from 08/05/1996 to present in LexisNexis Academic |
| from 07/02/1991 to present in LexisNexis Academic |
| from 12/01/2001 to present in Factiva |
| from 01/15/1998 to present in LexisNexis Academic |
| from 09/04/1997 to present in LexisNexis Academic |
| from 01/01/1999 to 03/01/1999 in Business & Company Resource Center, Expanded Academic ASAP and InfoTrac OneFile |
| from 06/01/1985 to 09/01/1994 in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| in LexisNexis Academic |
| from inception to 03/03/2003 in LexisNexis Academic |
| from 07/01/2000 to present in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 01/01/1995 to present in LexisNexis Academic |
| from 01/08/1996 to 12/15/1997 in LexisNexis Academic |
| from 03/01/2000 to present in Business & Company Resource Center |
| from 07/01/1999 to present in General Reference Center Gold and InfoTrac OneFile |
| from 12/01/2000 to present in Expanded Academic ASAP, General Reference Center Gold, InfoTrac Junior Edition, InfoTrac OneFile and InfoTrac Student Edition |
| from 10/01/1989 to present in LexisNexis Academic |
| from 01/01/1985 to present in Academic Search Elite |
| from 03/01/1965 to present in Business Source Premier |
| from 05/01/1993 to 07/01/2002 in LegalTrac and InfoTrac OneFile |
| from 05/01/1993 to 07/02/2003 in Expanded Academic ASAP |
| from 07/01/1982 to present in LexisNexis Academic |
| from 01/01/1960 to 10/01/1985 in ABI/INFORM Complete |
| from 09/01/1958 to present in Business Source Premier |
| from 10/01/1987 to 10/01/2001 in ABI/INFORM Complete |
| from 06/01/2002 to present in Academic Search Elite and Health Source: Nursing/Academic Edition |
| from 01/01/2002 to present in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 11/01/2000 to present in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 06/01/1998 to present in Business & Company Resource Center |
| from 07/07/1997 to 08/31/1998 in Business Source Premier |
| from 11/11/1991 to 08/31/1998 in Factiva |
| from 02/01/1995 to present in LexisNexis Academic |
| from 01/01/1850 to 05/01/2003 in LexisNexis Academic |
| from 01/02/1998 to present in LexisNexis Academic |
| from 01/01/1994 to present in Factiva |
| from 09/01/1991 to 02/01/1998 in Ethnic NewsWatch Complete |
| from Fall 1994 to present in LexisNexis Academic |
| from Fall 1993 to present in LexisNexis Academic |
| from 02/01/1995 to 05/01/1996 in GenderWatch |
| from 12/01/1995 to present in LexisNexis Academic |
| from 01/01/1994 to present in Factiva |
| from 02/01/1992 to 07/01/1998 in Ethnic NewsWatch Complete |
| from 01/01/1992 to 07/01/1998 in Ethnic NewsWatch Complete |
| from 01/01/1994 to present in Factiva |
| from 01/01/1994 to present in Factiva |
| from 02/01/1992 to 12/01/1994 in Ethnic NewsWatch Complete |
| from 01/01/2000 to present in Factiva |
| from 01/01/2000 to present in LexisNexis Academic |
| from 01/01/2001 to present in LexisNexis Academic |
| from 02/01/2001 to present in ABI/INFORM Complete |
| from 03/01/2001 to present in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 07/01/2001 to present in Business Source Premier |
| from 03/01/1998 to present in LexisNexis Academic |
| from 07/01/1998 to 11/01/2000 in General Reference Center Gold and InfoTrac OneFile |
| from 12/01/1998 to 11/01/2000 in Business & Company Resource Center |
| from 01/01/1993 to 06/01/1995 in Expanded Academic ASAP, Literature Resource Center and InfoTrac OneFile |
| from 10/01/2002 to present in ProQuest Research Library |
| from 1976 to 1994 in JSTOR |
| from 1995 to present in Project Muse |
| from 01/01/1999 to present in General Reference Center Gold, InfoTrac OneFile and InfoTrac Student Edition |
| from 09/01/2000 to present in MasterFILE Premier, Middle Search Plus, Primary Search, MAS Ultra - School Edition, InfoTrac Junior Edition, InfoTrac Kids Edition and ProQuest Research Library |
| in Investext Plus "UA Campus Access" |
| from 09/01/2000 to present in Business Source Premier |
| from 07/02/1997 to 09/08/1997 in LexisNexis Academic |
| from 1923 to 1957 in JSTOR |
| from 1998 to present in Oxford Journals Online |
| from 03/01/1990 to 3 months ago in Academic Search Elite and Professional Development Collection |
| from 06/01/1997 to 11/01/2000 in ProQuest Research Library |
| from 2000 to present in Ingenta Select "UA Campus Access" |
| from 07/01/1998 to present in Cambridge Journals Online |
| from 2001 to present in Oxford Journals Online |
| from 11/15/1999 to present in LexisNexis Academic |
| from 12/01/2001 to present in Factiva |
| from 05/01/1999 to 06/01/2000 in Business & Company Resource Center |
| from 11/18/1991 to present in Factiva |
| from 02/01/1999 to present in Expanded Academic ASAP |
| from 11/01/1998 to present in General Reference Center Gold and InfoTrac OneFile |
| from 04/01/1997 to 01/01/1999 in Expanded Academic ASAP |
| from 04/01/1997 to 03/01/1999 in General Reference Center Gold and InfoTrac OneFile |
| from 01/01/1995 to 09/01/1999 in GenderWatch |
| from 09/01/1999 to present in Expanded Academic ASAP, General Reference Center Gold and InfoTrac OneFile |
| from 2 years ago to present in LexisNexis Academic |
| from 2000 to present in Project Muse |
| from 10/01/1998 to present in Business Source Premier |
| from 09/01/2000 to present in Business Source Premier |
| from 05/01/1986 to present in LexisNexis Academic |
| from 12/05/1982 to present in Factiva |
| from 01/01/1991 to 14 days ago in General Reference Center Gold and InfoTrac OneFile |
| from 01/11/2002 to present in Business Source Premier |
| from 10/01/1993 to 14 days ago in Business & Company Resource Center |
| from 1987 to present in LexisNexis Congressional |
| from 1989 to present in LexisNexis Congressional |
| from 01/01/1993 to present in Expanded Academic ASAP, General Reference Center Gold and InfoTrac OneFile |
| from 03/01/1994 to 03/01/2000 in ProQuest Research Library |
| from 03/01/2002 to present in Business & Company Resource Center |
| from 07/01/1996 to present in Academic Search Elite, MasterFILE Premier and MAS Ultra - School Edition |
| from 10/01/1989 to present in LexisNexis Academic |
| from 12/05/1995 to 01/08/2002 in Factiva |
| from Winter 1993/1994 to present in LexisNexis Academic |
| from 01/01/1992 to present in ProQuest Research Library |
| from 01/01/1993 to present in General Reference Center Gold and InfoTrac OneFile |
| from 01/01/1995 to present in MasterFILE Premier and MAS Ultra - School Edition |
| in LexisNexis Academic |
| from 09/14/1999 to present in LexisNexis Academic |
| in LexisNexis Academic |
| from 01/01/1994 to present in Academic Search Elite, MasterFILE Premier and MAS Ultra - School Edition |
| from 09/01/2000 to present in General Reference Center Gold and InfoTrac OneFile |
| from 10/01/2000 to present in Business & Company Resource Center |
| from 09/05/1997 to present in LexisNexis Academic |
| from 10/30/1997 to present in LexisNexis Academic |
| in LexisNexis Academic |
| from 01/01/1995 to 1 year ago in ABI/INFORM Complete |
| from 1994 to present in Emerald Fulltext |
| in Investext Plus "UA Campus Access" |
| in Investext Plus "UA Campus Access" |
| from 01/01/1993 to 05/01/1994 in Academic Search Elite, MasterFILE Premier, Middle Search Plus and Primary Search |
| from 12/01/1996 to 01/01/2003 in General Reference Center Gold |
| from 11/14/2002 to present in Factiva |
| from 12/17/1998 to present in LexisNexis Academic |
| from 01/01/1993 to present in LexisNexis Academic |
| from 09/01/1994 to present in Academic Search Elite, MasterFILE Premier, Military & Government Collection, Middle Search Plus, Primary Search, MAS Ultra - School Edition, General Reference Center Gold, InfoTrac OneFile and InfoTrac Student Edition |
| from 10/01/1995 to present in ProQuest Research Library |
| in LexisNexis Academic |
| from 01/01/2002 to present in Business Source Premier and Vocational Search |
| from 11/01/1998 to present in Business Source Premier, MasterFILE Premier and Military & Government Collection |
| from 09/01/2000 to present in Business Source Premier |
| from inception to 05/01/2003 in LexisNexis Academic |
| in LexisNexis Academic |
| from 02/26/1988 to present in Factiva |
| from 01/01/1998 to present in Factiva |
| from 01/01/1990 to present in Academic Search Elite and MasterFILE Premier |
| from 1994 to present in LexisNexis Academic |
| in Investext Plus "UA Campus Access" |
| from 01/01/2002 to 1 year ago in ABI/INFORM Complete |
| from 02/01/1996 to present in General Reference Center Gold |
| from 12/01/2000 to present in Expanded Academic ASAP and InfoTrac OneFile |
| from 10/01/2002 to present in ABI/INFORM Complete |
| from 09/01/2002 to present in Business Source Premier |
| from 01/01/1987 to present in LexisNexis Academic |
| from 08/01/1997 to present in LexisNexis Academic |
| from 08/01/1999 to present in Academic Search Elite and Health Source: Nursing/Academic Edition |
| from 1999 to present in Directory of Open Access Journals |
| from 01/01/1988 to 10/01/2000 in ABI/INFORM Complete |
| from 01/01/1990 to 12/01/2000 in Business Source Premier and MasterFILE Premier |
| from 02/01/1992 to present in LexisNexis Academic |
| from 09/01/1989 to 09/01/2000 in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 01/01/2002 to present in Business Source Premier and MasterFILE Premier |
| in Investext Plus "UA Campus Access" |
| from 09/01/1997 to 04/01/2003 in LexisNexis Academic |
| from 01/01/1983 to present in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 01/01/1993 to present in LexisNexis Academic |
| from 04/01/1996 to present in ABI/INFORM Complete and ProQuest Research Library |
| from 05/01/1990 to present in Academic Search Elite, Business Source Premier, MasterFILE Premier and MAS Ultra - School Edition |
| in LexisNexis Academic |
| from 01/14/1985 to 10/15/1999 in ABI/INFORM Complete |
| from 01/01/1987 to 07/01/1996 in ABI/INFORM Complete |
| from 03/01/1989 to 09/01/1996 in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 06/01/1990 to 09/01/1996 in Academic Search Elite, Business Source Premier and MasterFILE Premier |
| from 09/01/1996 to 06/01/1997 in LexisNexis Academic |
| from 01/01/2001 to present in InfoTrac OneFile |
| from 01/01/2003 to present in Expanded Academic ASAP |
| from 05/01/1989 to 14 days ago in General Reference Center Gold and InfoTrac OneFile |
| from 11/01/1998 to 14 days ago in Business & Company Resource Center |
| from 01/01/1993 to 09/01/1993 in General Reference Center Gold, InfoTrac OneFile and InfoTrac Student Edition |
| from 01/09/1992 to 10/20/1999 in LexisNexis Academic |
| from 10/01/2002 to present in Business Source Premier |
| from 01/01/1992 to 03/01/1993 in ProQuest Research Library |
| from 01/02/1998 to present in LexisNexis Academic |
| from 07/01/2000 to present in Business & Company Resource Center, General Reference Center Gold and InfoTrac OneFile |
| from 05/02/1996 to present in LexisNexis Academic |
| from inception to 07/23/2002 in LexisNexis Academic |
| from 02/01/1990 to 12/01/1992 in InfoTrac OneFile |
| from 01/01/1997 to 06/01/1998 in ProQuest Research Library |
| from 01/01/1987 to present in LexisNexis Academic |
| from 01/01/1992 to present in Academic Search Elite and MasterFILE Premier |
| from 04/01/1990 to present in Business & Company Resource Center, Expanded Academic ASAP, General Reference Center Gold and InfoTrac OneFile |
| from 01/01/1992 to present in LexisNexis Academic |
| from 01/02/2001 to present in Business Source Premier |
| from 01/01/1992 to present in LexisNexis Academic |
| from 01/01/1994 to present in Factiva |
| from 02/01/2001 to present in Business & Company Resource Center |
| from 08/01/1998 to present in Academic Search Elite, Business Source Premier, MasterFILE Premier and Vocational Search |
| from 10/01/1990 to present in InfoTrac OneFile |
| from 11/01/1997 to present in ABI/INFORM Complete |
| from 01/01/1990 to 07/01/1990 in InfoTrac OneFile |
| from 07/22/1996 to present in LexisNexis Academic |
| from 07/02/1996 to present in LexisNexis Academic |
| from 01/01/1987 to 03/01/2001 in LexisNexis Academic |
| from 01/01/1999 to present in Ethnic NewsWatch Complete |
| from 02/01/1990 to present in Academic Search Elite, MasterFILE Premier and MAS Ultra - School Edition |
| from 03/01/1998 to present in Literature Resource Center and InfoTrac OneFile |
| from 09/01/2000 to present in Expanded Academic ASAP |
| from 07/04/1997 to present in LexisNexis Academic |
| from 01/01/1999 to present in ProQuest Research Library |
| from 01/01/1997 to present in General Reference Center Gold |
| from 01/01/2000 to present in Expanded Academic ASAP, Literature Resource Center and InfoTrac OneFile |
| from 06/01/1993 to present in LexisNexis Academic |
| from 01/01/1996 to present in ProQuest Research Library |
| from 03/01/1987 to present in LexisNexis Academic |
| from 03/01/2003 to present in Blackwell-Synergy |
| from 06/01/2002 to present in Business & Company Resource Center |
| from 09/01/2001 to present in InfoTrac OneFile |
| from 09/01/2003 to present in Expanded Academic ASAP |
| from 01/01/1987 to present in LexisNexis Academic |
| from 01/01/1994 to 01/01/2003 in General Reference Center Gold, InfoTrac OneFile and InfoTrac Student Edition |
| from 01/01/1994 to 01/03/2003 in Expanded Academic ASAP |
| from 05/01/1994 to present in Academic Search Elite, MasterFILE Premier, Military & Government Collection, Middle Search Plus and MAS Ultra - School Edition |
| from 07/01/1994 to present in ProQuest Research Library |
| from 07/01/2000 to 01/01/2003 in InfoTrac Junior Edition |
| from 12/02/1996 to present in LexisNexis Academic |
| from 01/01/1987 to present in LexisNexis Academic |
| from 08/09/1996 to present in LexisNexis Academic |
| from 04/01/1997 to 09/01/1998 in LexisNexis Academic |
| from 01/01/1996 to present in LexisNexis Academic |
| from 03/01/1987 to present in LexisNexis Academic |
| from 03/01/1989 to 6 months ago in Academic Search Elite |
| from 09/01/2001 to present in General Reference Center Gold and InfoTrac OneFile |
| from 09/01/2003 to present in Expanded Academic ASAP |
| from 2 years ago to present in LexisNexis Academic |
| from 10/05/1998 to present in ABI/INFORM Complete |
| from 09/01/1997 to present in ABI/INFORM Complete |
| from 12/06/1996 to present in LexisNexis Academic |
| from 02/01/1987 to present in LexisNexis Academic |
| from 03/01/1992 to present in LexisNexis Academic |
| from 03/01/2001 to present in Business Source Premier |
| from 01/01/1987 to present in LexisNexis Academic |
| from 1967 to 1997 in JSTOR |
| from 1998 to present in Biological & Agricultural Index Plus |
| from 02/01/1997 to present in Academic Search Elite and Health Source: Nursing/Academic Edition |
| from 01/01/1992 to present in LexisNexis Academic |
| from 04/01/1998 to 6 months ago in ProQuest Research Library |
| from 03/01/1998 to 6 months ago in ProQuest Research Library |
| from 12/01/1991 to present in LexisNexis Academic |
| from 01/01/1992 to present in Academic Search Elite and MasterFILE Premier |
| from 01/01/1993 to present in Expanded Academic ASAP, LegalTrac and InfoTrac OneFile |
| from 01/01/1994 to present in ProQuest Research Library |
| from 01/01/1998 to present in CINAHL Database with Full Text and ProQuest Nursing Journals |
| from 03/01/1998 to 6 months ago in ProQuest Research Library |
| from 02/01/2000 to present in Blackwell-Synergy |
| from 1968 to 1999 in JSTOR |
| from 2000 to present in Ingenta Online Journals |
| from 1935 to 1967 in JSTOR |
| from 02/01/1968 to 1 year ago in Business Source Premier |
| from 03/01/1987 to 06/01/2000 in LexisNexis Academic |
| from 1996 to present in Education Full Text |
| from 1995 to present in Directory of Open Access Journals |
| from 03/01/1993 to present in LexisNexis Academic |
| from 09/01/1997 to present in ProQuest Research Library |
| from 1996 to present in LexisNexis Academic |
| from 01/01/1998 to 6 months ago in ProQuest Research Library |
| from 06/01/1998 to 6 months ago in ProQuest Research Library |
| from 2002 to present in Education Full Text |
| from 04/01/1985 to present in Academic Search Elite, MasterFILE Premier and MAS Ultra - School Edition |
| from 04/01/1992 to present in LexisNexis Academic |
| from 04/01/1995 to present in ProQuest Research Library |
| from 12/01/1992 to present in Expanded Academic ASAP and InfoTrac OneFile |
| from 01/01/1993 to present in LexisNexis Academic |
| from 01/01/1997 to present in InfoTrac OneFile |
| from 01/01/1998 to present in CINAHL Database with Full Text, ProQuest Nursing Journals and ProQuest Research Library |
| from 03/01/1997 to present in Expanded Academic ASAP |
| from 07/01/1998 to present in Academic Search Elite, Health Source: Nursing/Academic Edition and MasterFILE Premier |
| from 04/01/2000 to 6 months ago in Academic Search Elite and Professional Development Collection |
| from 01/01/1997 to present in LexisNexis Academic |
| in LexisNexis Academic |
| from 04/01/1998 to 6 months ago in ProQuest Research Library |
| from 01/01/1998 to present in ProQuest Research Library |
| from 02/01/2000 to present in CINAHL Database with Full Text and ProQuest Nursing Journals |
| from 01/01/1998 to 6 months ago in ProQuest Research Library |
| from 02/01/1999 to present in Academic Search Elite and Health Source: Nursing/Academic Edition |
| from 07/01/1998 to present in CINAHL Database with Full Text, ProQuest Nursing Journals and ProQuest Research Library |
| from 03/01/1996 to present in General Reference Center Gold and InfoTrac OneFile |
| from 09/01/2003 to present in Expanded Academic ASAP |
| from 01/01/1997 to present in LexisNexis Academic |
| from 09/01/1999 to present in Academic Search Elite |