Finite geometries and combinatorial designs : proceedings of the AMS Special Session in Finite Geometries and Combinatorial Designs held October 29-November 1, 1987 [Lincoln, Nebraska] - Kramer, Earl S. (Earl Sidney), 1940-; Magliveras, Spyros S. (Spyros Simos), 1938- (Contemporary mathematics (American Mathematical Society), 1990)