Limited (search only) 1966 1966
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The Ohio State University
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Limited (search only) 1967 1967
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The Ohio State University
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Limited (search only) 1970
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University of California
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Limited (search only) 1971
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University of California
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Limited (search only) yr.1972-1974
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University of California
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Limited (search only) yr.1980
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University of California
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Limited (search only) yr.1982
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University of California
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Limited (search only) 1983/84
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Pennsylvania State University
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Limited (search only) 1988
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Pennsylvania State University
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Limited (search only) 1993
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Pennsylvania State University
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