by Crowell, Richard H.   <br/><br/>
Introduction to knot theory 

 - Boston  Dover  2008 
 - ix,182p. 
<br/><br/><label>ISBN: </label>9780486468945 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knot theory
<br/><br/><label>Dewey Class. No.: </label>514.2242 C8862i