Johnson, D.L. <br/><br/>
Presentations of groups 

 - Cambridge  Cambridge University Press  1997 
 - xi,216p.  23 cm. 
 - London Mathematical society student texts .
<br/><br/><label>ISBN: </label>0521585422 
<br/><br/><label>Dewey Class. No.: </label>512.2,D,joh  / _