Stedman Geoffrey E. <br/><br/>
Diagram techiques in group theory 
Stedman Geoffrey E. 
 - Cambridge  CUP           1990 
 - 308p.  cm. 
<br/><br/><label>Standard No.: </label>431 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B27obc, N0