Thomasina Mack v. The Great Atlantic and Pacific Tea Company, Inc. , 871 F.2d 179 ( 1989 )
Anderson v. Liberty Lobby, Inc. , 106 S. Ct. 2505 ( 1986 )
Celotex Corp. v. Catrett, Administratrix of the Estate of Catrett , 106 S. Ct. 2548 ( 1986 )