Limited (search only) 1961
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University of California
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Limited (search only) 1961 v.1
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University of Illinois at Urbana-Champaign
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Limited (search only) 1966 v.2-3
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University of Illinois at Urbana-Champaign
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Limited (search only) 1967:1
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University of California
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Limited (search only) 1967 v.1-3
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University of Illinois at Urbana-Champaign
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Limited (search only) 1969 v.2-3
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University of Illinois at Urbana-Champaign
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Limited (search only) 1970 v.1-3
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University of Illinois at Urbana-Champaign
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Limited (search only) 1971 v.2-3
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University of Illinois at Urbana-Champaign
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Limited (search only) 1972:2
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University of California
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Limited (search only) 1972 v.2-3
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University of Illinois at Urbana-Champaign
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Limited (search only) 1972:3
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University of California
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Limited (search only) 1973:1
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University of California
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Limited (search only) 1973 v.1-3
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University of Illinois at Urbana-Champaign
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Limited (search only) 1974 v.1-3
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University of Illinois at Urbana-Champaign
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