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Access Year: From 1997 To Present
Publisher: SPRINGER

Access Year: From 1995 To Present
Publisher: ELSEVIER

Access Year: From 1995 To Present
Publisher: ELSEVIER

Access Year: From 1965 To 2003
Publisher: JSTOR

Access Year: From 1933 To 1960
Publisher: JSTOR

Access Year: From 2010 To Present
Publisher: SPRINGER

Access Year: From 2010 To Present
Publisher: SPRINGER
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