Norman v. Commissioner of Public Safety , 409 N.W.2d 544 ( 1987 )
O'NEILL v. Com'r of Public Safety , 361 N.W.2d 471 ( 1985 )
State v. Pfannenstein , 525 N.W.2d 587 ( 1994 )
State v. Sanger , 420 N.W.2d 241 ( 1988 )