- Supreme Court of Minnesota | Friday, July 6, 1990 | Cited 0 times
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- Supreme Court of Minnesota | Thursday, April 21, 2005 | Cited 0 times
- Court of Appeals of Minnesota | Tuesday, February 18, 1986 | Cited 0 times
- Supreme Court of the United States | Tuesday, December 9, 1980 | Cited 0 times