Access Year: From 1956 To 1978
Publisher: JSTOR

Access Year: From 1987 To 1988
Publisher: JSTOR

Access Year: From 1976 To Present
Publisher: SPRINGER

Access Year: From 1979 To 2007
Publisher: JSTOR

Access Year: From 1995 To Present
Publisher: ELSEVIER

Access Year: From 2002 To 2005
Publisher: JSTOR

Access Year: From 1971 To 2007
Publisher: JSTOR

Access Year: From 2013 To Present
Publisher: IEL

Access Year: From 1995 To Present
Publisher: ELSEVIER

Access Year: From 1995 To Present
Publisher: ELSEVIER

Access Year: From 1995 To Present
Publisher: ELSEVIER

Access Year: From 1996 To Present
Publisher: SAGE PUBLICATIONS

Access Year: From 1991 To 2000
Publisher: ELSEVIER