Johnson, D. L. Presentations of groups / D. L. Johnson. - Cambridge [Eng.] : New York : Cambridge University Press, c1976. - v, 204 p. ; 23 cm. - London Mathematical Society - Lecture note series ; 22 . - 22. London Mathematical Society lecture note series ; . Includes index. Bibliography: p. 196-197. ISBN: 0521208297 Subjects--Topical Terms: Presentations of groups (Mathematics) Dewey Class. No.: 512.2 / JOP 1976