Limited (search only) v.6(1970)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.8(1972)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.9(1973)
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University of Illinois at Urbana-Champaign
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Limited (search only) 1971
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University of Illinois at Urbana-Champaign
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Limited (search only) 1974
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University of Illinois at Urbana-Champaign
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Limited (search only) 1975
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University of Illinois at Urbana-Champaign
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Limited (search only) 1976
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University of Illinois at Urbana-Champaign
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Limited (search only) 1977
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University of Illinois at Urbana-Champaign
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Limited (search only) 1978
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University of Illinois at Urbana-Champaign
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Limited (search only) 1979/80
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University of Illinois at Urbana-Champaign
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