United States v. Ron Pair Enterprises, Inc. , 109 S. Ct. 1026 ( 1989 )
Demarest v. Manspeaker , 111 S. Ct. 599 ( 1991 )
Chevron U. S. A. Inc. v. Natural Resources Defense Council, Inc. , 104 S. Ct. 2778 ( 1984 )