Limited (search only) 1989
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University of Minnesota
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Limited (search only) 1989-91
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University of California
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Limited (search only) 1990
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University of Minnesota
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Limited (search only) 1991
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University of Minnesota
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Limited (search only) 1992
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University of California
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Limited (search only) 1993-94
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University of California
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Limited (search only) 1994
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University of Michigan
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Limited (search only) 1995
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University of Minnesota
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Limited (search only) 1995-96
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University of California
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Limited (search only) 1996
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University of Minnesota
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University of California
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Limited (search only) 1998
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University of Minnesota
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Limited (search only) 1998-2000
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University of California
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Limited (search only) 1999
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University of Illinois at Urbana-Champaign
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Limited (search only) 2000
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University of Minnesota
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Limited (search only) 2001
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University of Minnesota
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Limited (search only) 2002
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University of Minnesota
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Limited (search only) 2003
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University of Minnesota
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University of Minnesota
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Limited (search only) 2005
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University of Michigan
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University of Michigan
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