Limited (search only) 1970
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University of Minnesota
|
Limited (search only) 1970-75
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University of California
|
Limited (search only) 1971
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University of Minnesota
|
Limited (search only) 1972
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University of Minnesota
|
Limited (search only) 1973
|
University of Minnesota
|
Limited (search only) 1974
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University of Illinois at Urbana-Champaign
|
Limited (search only) 1975
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University of Illinois at Urbana-Champaign
|
Limited (search only) 1976
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University of Illinois at Urbana-Champaign
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Limited (search only) 1976-80
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University of California
|
Limited (search only) 1976-1984
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University of Michigan
|
Limited (search only) 1977
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University of Illinois at Urbana-Champaign
|
Limited (search only) 1978
|
University of Illinois at Urbana-Champaign
|
Limited (search only) 1979
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University of Illinois at Urbana-Champaign
|
Limited (search only) 1980
|
University of Illinois at Urbana-Champaign
|
Limited (search only) 1981
|
University of Illinois at Urbana-Champaign
|
Limited (search only) 1982
|
University of Illinois at Urbana-Champaign
|
Limited (search only) 1983
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University of Minnesota
|
Limited (search only) 1984
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University of Illinois at Urbana-Champaign
|
Limited (search only) 1985
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University of Illinois at Urbana-Champaign
|
Limited (search only) 1986
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University of Illinois at Urbana-Champaign
|
Limited (search only) 1986-1988,1990-1993
|
University of Michigan
|
Limited (search only) 1986-1990
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Northwestern University
|
Limited (search only) 1987
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University of Illinois at Urbana-Champaign
|
Limited (search only) 1988
|
University of Illinois at Urbana-Champaign
|
Limited (search only) 1989
|
University of Minnesota
|
Limited (search only) 1990
|
University of Illinois at Urbana-Champaign
|
Limited (search only) 1991
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University of Illinois at Urbana-Champaign
|
Limited (search only) 1991-1995
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Northwestern University
|
Limited (search only) 1992
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University of Illinois at Urbana-Champaign
|
Limited (search only) 1993
|
University of Minnesota
|
Limited (search only) 1994
|
University of Illinois at Urbana-Champaign
|
Limited (search only) 1995
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University of Illinois at Urbana-Champaign
|
Limited (search only) 1996
|
University of Illinois at Urbana-Champaign
|