Limited (search only) v.1(1974)
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University of Illinois at Urbana-Champaign
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Limited (search only) no.2-5 1975-1978
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University of Michigan
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Limited (search only) v.4(1977)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.5(1978)
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University of Illinois at Urbana-Champaign
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Limited (search only) no.6-9 1979
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University of Michigan
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Limited (search only) v.6(1979)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.7(1980)
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University of Illinois at Urbana-Champaign
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Limited (search only) no.10-14 1983-1987
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University of Michigan
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Limited (search only) vyp.11-15 1984-88
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University of Virginia
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Limited (search only) no.15-16 1988-1989
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University of Michigan
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