northwest-airlines-inc-simmons-airlines-inc-piedmont-aviation-inc , 955 F.2d 1054 ( 1992 )
new-england-legal-foundation-v-massachusetts-port-authority-national , 883 F.2d 157 ( 1989 )
Northwest Airlines, Inc. v. County of Kent, Mich. , 738 F. Supp. 1112 ( 1990 )