Massey, William S. Algebraic topology : an introduction / William S. Massey - New York : Springer-Verlag, 1967 - vii, 261p. : ill. ; 24 cm. - Graduate texts in mathematics ; v. 56 . Includes bibliographies Includes index ISBN: 0387902716 LCCN: 77-022206 Subjects--Topical Terms: Algebraic topology