Limited (search only) no.199 (1983)
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University of Illinois at Urbana-Champaign
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University of Illinois at Urbana-Champaign
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University of Illinois at Urbana-Champaign
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University of Illinois at Urbana-Champaign
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University of Illinois at Urbana-Champaign
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Limited (search only) MR-235 1993
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University of Michigan
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Limited (search only) no.235 (1993)
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University of Illinois at Urbana-Champaign
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