Limited (search only) v. 1 1970
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University of California
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Limited (search only) v. 2 1971
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University of California
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Limited (search only) v. 3 1972
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University of California
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Limited (search only) v.4
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University of California
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Limited (search only) v.5
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University of Michigan
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Limited (search only) v.5
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University of California
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Limited (search only) v.6
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University of California
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Limited (search only) v.7
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University of California
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Limited (search only) v.8
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University of California
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Limited (search only) v.9
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University of California
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Limited (search only) v.10
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University of California
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Limited (search only) v.11
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University of California
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Limited (search only) v.12
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University of California
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Limited (search only) v.13
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University of California
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Limited (search only) v.14
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University of California
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Limited (search only) v.15
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University of California
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Limited (search only) v.16
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University of California
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Limited (search only) v.17
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University of California
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Limited (search only) v.18
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University of California
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Limited (search only) v.19
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University of California
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Limited (search only) v.20
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University of California
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Limited (search only) v.21
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University of California
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Limited (search only) v.22
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University of California
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Limited (search only) v.23
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University of California
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Limited (search only) v.23(1992)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.24(1993)
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University of Illinois at Urbana-Champaign
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