Johnson, D. L. Presentations of groups/ D. L. Johnson. - Cambridge, UK: New York: Cambridge University Press, c1976. - v, 204 p. ; 23 cm. - London Mathematical Society - Lecture note series ; 22. . - London Mathematical Society lecture note series; 22. . Includes index. Bibliography: p. 196-197. ISBN: 0521208297 LCCN: 74031803 //r85 Nat. Bib. No.: GB*** Subjects--Topical Terms: Presentations of groups (Mathematics) Dewey Class. No.: 512.2