Baumslag, Gilbert <br/><br/>
Topics in combinatorial group theory 
Gilbert Baumslag 
 - Basel  Birkhauser  1993 
 - vi,164p. 
<br/><br/><label>ISBN: </label>817629211  1185.53 
<br/><br/><label>Dewey Class. No.: </label>512.2 B 327 T