Limited (search only) v.18 1980
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Cornell University
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Limited (search only) v.19 1981
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Cornell University
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Limited (search only) v.20 1982
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Cornell University
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Limited (search only) v.21 1983
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Cornell University
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Limited (search only) v.22 1984
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Cornell University
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Limited (search only) v.23 1985
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Cornell University
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Limited (search only) v.24 1986
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Cornell University
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Limited (search only) v.25 1987
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Cornell University
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Limited (search only) v.26 1988
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Cornell University
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Limited (search only) v.27 1989
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Cornell University
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Limited (search only) v.28 1990
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Cornell University
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Limited (search only) v.29 1991
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Cornell University
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Limited (search only) v.30 1992
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Cornell University
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Limited (search only) v.31 1993
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Cornell University
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