Frank J. Pettinelli v. Edmund R. Danzig , 644 F.2d 1160 ( 1981 )
Liberty Mutual Insurance v. Wetzel , 96 S. Ct. 1202 ( 1976 )
Celotex Corp. v. Catrett, Administratrix of the Estate of Catrett , 106 S. Ct. 2548 ( 1986 )