Crabb, M. C. ZZ/2, homotopy theory/ M. C. Crabb. - Cambridge, UK; New York: Cambridge University Press, 1980. - 128 p.; 23 cm. - London Mathematical Society lecture note series; 44. . Based on the author's thesis, Oxford. Includes index. Bibliography: p. 121-126. ISBN: 0521280516 (pbk.) LCCN: 80040703 //r903 Nat. Bib. No.: GB80 Subjects--Topical Terms: Homotopy theory.Group theory.Symmetry. Dewey Class. No.: 514.24 / C883z