IBP, Inc. v. Al-Gharib , 604 N.W.2d 621 ( 2000 )
Sorg v. Iowa Department of Revenue , 269 N.W.2d 129 ( 1978 )
American Home Products v. Iowa State Bd. of Tax , 302 N.W.2d 140 ( 1981 )
State v. Haberer , 532 N.W.2d 757 ( 1995 )