Chevron U. S. A. Inc. v. Natural Resources Defense Council, Inc. , 104 S. Ct. 2778 ( 1984 )
Potomac Electric Power Co. v. Director, Office of Workers' Compensation Programs , 101 S. Ct. 509 ( 1980 )
Martin v. Occupational Safety & Health Review Commission , 111 S. Ct. 1171 ( 1991 )