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Access Year: From 1999 To Present
Publisher: SPRINGER

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 1995 To Present
Publisher: ELSEVIER

Access Year: From 1959 To 1998
Publisher: JSTOR

Access Year: From 1977 To 1981
Publisher: IEL

Access Year: From 1982 To Present
Publisher: IEL
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