Limited (search only) v.1-5 1972
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University of Michigan
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Limited (search only) v.1(1972)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.2(1975)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.3(1975)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.4(1978)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.5(1977)
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University of Illinois at Urbana-Champaign
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Limited (search only) no.6-9
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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(1979)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.8(1981)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.9(1981)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.10(1982)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.11(1985)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.12(1985)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.13(1985)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.14(1988)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.15(1988)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.16(1990)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.17(1990)
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University of Illinois at Urbana-Champaign
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