Limited (search only) v.1(1968)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.2(1969)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.3(1969)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.4
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University of California
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Limited (search only) v.4(1969)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.5
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University of California
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Limited (search only) v.5(1971)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.6
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University of California
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Limited (search only) v.6(1969)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.7
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University of California
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Limited (search only) v.7(1970)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.8
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University of California
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Limited (search only) v.8(1970)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.9(1972)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.10(1973)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.11(1973)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.13(1974)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.15(1975)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.16(1976)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.17(1978)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.21(1980)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.23(1983)
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University of Illinois at Urbana-Champaign
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