2-knots and their groups  NULL 
Hillman, Jonathan A. 
 - Cambridge [England] ; | New York :  Cambridge University Press,  1989 
 - x, 164 p. ;  NULL  23 cm. 
 - Australian Mathematical Society lecture series ;  5  NULL .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>521378125