Cuyahoga Valley Railway Co. v. United Transportation Union , 106 S. Ct. 286 ( 1985 )
Martin v. Occupational Safety & Health Review Commission , 111 S. Ct. 1171 ( 1991 )
Chevron U. S. A. Inc. v. Natural Resources Defense Council, Inc. , 104 S. Ct. 2778 ( 1984 )