Snapper, Ernst, 1913- Metric affine geometry/ [by] Ernst Snapper [and] Robert J. Troyer. - New York: Academic Press, [1971]. - xx, 435 p.: illus., 24 cm. Bibliography: p. [429] ISBN: 0126536503 LCCN: 76154402 Subjects--Topical Terms: Geometry, Affine.Vector spaces. Dewey Class. No.: 516.1 / S669m