virginia-petroleum-jobbers-association-v-federal-power-commission-blue ( 1958 )
Chevron Chemical Co. v. Costle ( 1980 )
Washington Metropolitan Area Transit Commission v. Holiday Tours, Inc. ( 1977 )
Pa. Pub. Util. Com'n v. Proc. Gas Consum. ( 1983 )
Evans v. Buchanan ( 1977 )