Limited (search only) v.34(1980)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.35 1981
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University of Michigan
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Limited (search only) v.36 1982
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University of Michigan
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Limited (search only) v.37-38 1983-1984
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University of Michigan
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Limited (search only) v.37(1983)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.38(1984)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.39 1985
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University of Michigan
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Limited (search only) v.40 1986
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University of Michigan
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Limited (search only) v.41 1987
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University of Michigan
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Limited (search only) v.42 1988
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University of Michigan
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Limited (search only) v. 43-44 1989-1990
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Purdue University
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Limited (search only) v.43 1989
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University of Michigan
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Limited (search only) v.44 1990
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University of Michigan
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