Limited (search only) v.1
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Pennsylvania State University
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Limited (search only) v.2
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Pennsylvania State University
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Limited (search only) v.2A
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Pennsylvania State University
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Limited (search only) v.3
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Pennsylvania State University
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Limited (search only) v.4
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Pennsylvania State University
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Limited (search only) v.4A
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Pennsylvania State University
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Limited (search only) v.4A 1983
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Pennsylvania State University
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Limited (search only) v.5
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Pennsylvania State University
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Limited (search only) v.5A
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Pennsylvania State University
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Limited (search only) v.6
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Pennsylvania State University
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Limited (search only) v.6A
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Pennsylvania State University
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Limited (search only) v.7 1979
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Pennsylvania State University
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Limited (search only) v.7A 1979
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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.8A 1981
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Pennsylvania State University
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Limited (search only) v.9 1985
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Pennsylvania State University
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Limited (search only) v.9A 1985
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Pennsylvania State University
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Limited (search only) v.10
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Pennsylvania State University
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Limited (search only) v.10A
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Pennsylvania State University
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Limited (search only) v.11 1986
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Pennsylvania State University
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Limited (search only) v.11A 1987
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Pennsylvania State University
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Limited (search only) v.11B 1987
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Pennsylvania State University
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Limited (search only) v.12
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Pennsylvania State University
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Limited (search only) v.12A
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Pennsylvania State University
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Limited (search only) v.13 1986
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Pennsylvania State University
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Limited (search only) v.13A 1986
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Pennsylvania State University
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Limited (search only) v.14 1986
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Pennsylvania State University
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Limited (search only) v.15 1988
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Pennsylvania State University
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Limited (search only) v.15A 1988
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Pennsylvania State University
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Limited (search only) v.15B 1988
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Pennsylvania State University
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Limited (search only) v.15c 1988
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Pennsylvania State University
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Limited (search only) v.15D 1988
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Pennsylvania State University
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Limited (search only) v.16E 1990
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Pennsylvania State University
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Limited (search only) v.16D 1990
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Pennsylvania State University
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Limited (search only) v.16B 1990
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Pennsylvania State University
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Limited (search only) v.16C 1990
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Pennsylvania State University
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Limited (search only) v.16A 1990
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Pennsylvania State University
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Limited (search only) v.16 1990
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Pennsylvania State University
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Limited (search only) v.17
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Pennsylvania State University
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Limited (search only) v.18 1987
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Pennsylvania State University
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Limited (search only) v.19 1987
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Pennsylvania State University
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Limited (search only) v.20
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Pennsylvania State University
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Limited (search only) v.21
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Pennsylvania State University
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Limited (search only) v.21 1990 cumulative suppl.
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Pennsylvania State University
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Limited (search only) v.22
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Pennsylvania State University
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