TY  - BOOK
AU  - Magnus Wilhelm
AU  -  Karrass Abraham
AU  -  Solitar Donald
TI  - Combinatorial group theory :  Presentations of groups in terms of generators and relations.     
U1  - B27, K6 
PY  - 1966///
CY  - New York  
PB  -  John Wiley & Sons   
ER  -