Algorithms and classification in combinatorial group theory   
ed. by G. Baumslag, C.F. Miller 
 - New York  Springer-Verlag  1992 
 - viii, 232p. 
 - Mathematical Sciences Research Institute Publications  V.23 .
<br/><br/><label>ISBN: </label>038797685X 
<br/><br/><label>Dewey Class. No.: </label>512.2  / N92