Johnson, D. L. <br/><br/>
Presentations of groups / 
D.L. Johnson. 
 - Cambridge :  Cambridge University Press,  1990. 
 - 204 p. ;  23 cm. 
 - London Mathematical Society student texts ;  15. .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references : p. 191-198. 
<br/><br/><label>ISBN: </label>0521378249 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Presentations of groups (Mathematics).