Mampel v. Eastern Heights State Bank of St. Paul , 254 N.W.2d 375 ( 1977 )
Barr/Nelson, Inc. v. Tonto's, Inc. , 336 N.W.2d 46 ( 1983 )
Spearman v. Salminen , 379 N.W.2d 627 ( 1986 )