Limited (search only) no.20-21
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University of Michigan
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Limited (search only) no.20 1963
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The Ohio State University
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Limited (search only) no.21 1965
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The Ohio State University
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Limited (search only) no.22 v.1 1965
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The Ohio State University
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Limited (search only) no.22 v.2 1967
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The Ohio State University
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Limited (search only) no.23 1968
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The Ohio State University
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Limited (search only) no.24 1967
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The Ohio State University
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Limited (search only) no.25 1969
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The Ohio State University
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Limited (search only) no.26 1967
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University of California
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Limited (search only) no.26 (1970)
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University of Minnesota
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Limited (search only) no.26 (1970)
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University of Minnesota
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Limited (search only) 26 (1970)
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University of Minnesota
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Limited (search only) no.29 (1974)
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University of Minnesota
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Limited (search only) no.30:pt.1 (1978)
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University of Minnesota
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Limited (search only) no.30:pt.1 (1978)
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University of Minnesota
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Limited (search only) no.31 (1977)
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University of Minnesota
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Limited (search only) 31 (1979)
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University of Minnesota
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Limited (search only) no.31 (1979)
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University of Minnesota
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Limited (search only) v. 31 1979
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Purdue University
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Limited (search only) 32-33 (1982-84)
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University of Minnesota
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Limited (search only) 34 (1985)
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University of Minnesota
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Limited (search only) 35-37 (1984-1986)
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University of Minnesota
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Limited (search only) no.37-38 1986-1989
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University of Michigan
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Limited (search only) no.37 (1986)
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University of Minnesota
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Limited (search only) 38 (1989)
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University of Minnesota
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