Limited (search only) v.4 1977
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Pennsylvania State University
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Limited (search only) v.5 1978
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Pennsylvania State University
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Limited (search only) v.6 1979
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Pennsylvania State University
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Limited (search only) v.7 1980
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Pennsylvania State University
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Limited (search only) v.8 1981
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Pennsylvania State University
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Limited (search only) v.9 Jan.-June 1982
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Pennsylvania State University
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Limited (search only) v.9 July-Dec. 1982
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Pennsylvania State University
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Limited (search only) v.10 Jan.-June 1983
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Pennsylvania State University
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Limited (search only) v.10 July-Dec. 1983
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Pennsylvania State University
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Limited (search only) v.11 Jan.-June 1984
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Pennsylvania State University
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Limited (search only) v.11 July-Dec. 1984
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Pennsylvania State University
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Limited (search only) v.12 Jan.-June 1985
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Pennsylvania State University
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Limited (search only) v.12 July-Dec. 1985
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Pennsylvania State University
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Limited (search only) v.13 Jan.-June 1986
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Pennsylvania State University
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Limited (search only) v.13 July-Dec. 1986
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Pennsylvania State University
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Limited (search only) v.14 Jan.-June 1987
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Pennsylvania State University
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Limited (search only) v.14 July-Dec. 1987
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Pennsylvania State University
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Limited (search only) v.15 Jan.-June 1988
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Pennsylvania State University
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Limited (search only) v.15 July-Dec. 1988
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Pennsylvania State University
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Limited (search only) v.16 Jan.-June 1989
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Pennsylvania State University
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Limited (search only) v.16 July-Dec. 1989
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Pennsylvania State University
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Limited (search only) v.17 Jan.-June 1990
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Pennsylvania State University
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Limited (search only) v.17 July-Dec. 1990
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Pennsylvania State University
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Limited (search only) v.18 July-Dec. 1991
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Pennsylvania State University
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Limited (search only) v.18 Jan.-June 1991
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Pennsylvania State University
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Limited (search only) v.19 Jan.-June 1992
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Pennsylvania State University
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Limited (search only) v.19 July-Dec. 1992 & Director
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Pennsylvania State University
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Limited (search only) v.20 Jan.-June 1993
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Pennsylvania State University
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Limited (search only) v.20 July-Dec. 1993
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Pennsylvania State University
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Limited (search only) v.21 Jan.-June 1994
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Pennsylvania State University
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Limited (search only) v.21 July-Dec. 1994
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Pennsylvania State University
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Limited (search only) v.22 Jan.-June 1995
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Pennsylvania State University
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Limited (search only) v.22 July-Dec. 1995
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Pennsylvania State University
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Limited (search only) v.23 Jan.-June 1996
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Pennsylvania State University
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Limited (search only) v.23 July-Dec. 1996 & suppl.
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Pennsylvania State University
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Limited (search only) v.24 July-Dec. 1997 & suppl.
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Pennsylvania State University
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Limited (search only) v.24 Jan.-June 1997
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Pennsylvania State University
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Limited (search only) v.25 Jan.-June 1998
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Pennsylvania State University
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Limited (search only) v.25 July-Dec. 1998
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Pennsylvania State University
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Limited (search only) v.26 Jan.-June 1999
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Pennsylvania State University
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Limited (search only) v.26 July-Dec. 1999
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Pennsylvania State University
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Limited (search only) v.27 Jan.-June 2000
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Pennsylvania State University
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Limited (search only) v.27 July-Dec.2000
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Pennsylvania State University
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Limited (search only) v.28 Jan-June 2001 & suppl.
|
Pennsylvania State University
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Limited (search only) v.28 July-Dec 2001
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Pennsylvania State University
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Limited (search only) v.29 Jan-June 2002
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Pennsylvania State University
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Limited (search only) v.29 July-Dec 2002
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Pennsylvania State University
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Limited (search only) v.30 Jan-June 2003
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Pennsylvania State University
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Limited (search only) v.30 July-Dec 2003
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Pennsylvania State University
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