owens-illinois-inc-cross-appellee-v-aetna-casualty-surety-company , 990 F.2d 865 ( 1993 )
McDonnell Douglas Corp. v. Green , 93 S. Ct. 1817 ( 1973 )
Texas Department of Community Affairs v. Burdine , 101 S. Ct. 1089 ( 1981 )