abf-freight-system-inc-builders-transportation-company-campbell , 787 F.2d 292 ( 1986 )
Western Air Lines, Inc. v. Board of Equalization of SD , 107 S. Ct. 1038 ( 1987 )
Burlington Northern Railroad v. Oklahoma Tax Commission , 107 S. Ct. 1855 ( 1987 )
Department of Revenue of Ore. v. ACF Industries, Inc. , 114 S. Ct. 843 ( 1994 )