Full view v.95 p.1-376 1990
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Pennsylvania State University
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Full view v.95 p.377-748 1990
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Pennsylvania State University
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Full view v.96 p.1-390 1991
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Pennsylvania State University
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Full view v.96 p.391-794 1991
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Pennsylvania State University
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Full view v.97 no.1-3 1992
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Pennsylvania State University
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Full view v.97 no.4-6 1992
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Pennsylvania State University
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Full view v.98 no.1-3 1993
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Pennsylvania State University
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Full view v.98 no.4-6 1993
|
Pennsylvania State University
|
Full view v.99 no.1-3 p.1-312 1994
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Pennsylvania State University
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Full view v.99 no.4-6 p.313-814 1994
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Pennsylvania State University
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Full view v.100 no.1-3 p.1-326 1995
|
Pennsylvania State University
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Full view v.100 no.4-6 p.327-763 1995
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Pennsylvania State University
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Full view v.101 no.1-3 p.1-418 1996
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Pennsylvania State University
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Full view v.101 no.4-6 p.419-860 1996
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Pennsylvania State University
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Full view v.102 no.1-3 p.1-404 1997
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Pennsylvania State University
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Full view v.102 no.4-6 p.405-760 1997
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Pennsylvania State University
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Full view v.103 no.1-3 p.1-356 1998
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Pennsylvania State University
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Full view v.103 no.4-6 p.357-680 1998
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Pennsylvania State University
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Full view v.104 no.1-3 p.1-322
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Pennsylvania State University
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Full view v.104 no.4-6 p.323-630 1999
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Pennsylvania State University
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Full view v.105 no.1 p.1-208 2000
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Pennsylvania State University
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