Hilton, Peter, 1923-2010. Homotopy theory and duality / by Peter Hilton. - New York : Gordon and Breach, c1965. - x, 224 p. illus. 24 cm. Includes bibliography: p. 219-221. Subjects--Topical Terms: Homotopy theory.Duality theory (Mathematics) Dewey Class. No.: 514.24 / HIH 1965