Elhamdadi, M & Nelson, S <br/><br/>
Quandles  introduction to the algebra of knots 
M. Elhamdadi & S. Nelson 
 - Providence  American Mathematical Society  2015 
 - ix  245 
 - Student mathematical library 74 .
<br/><br/><label>ISBN: </label>9781470422134 
<br/><br/><label>Dewey Class. No.: </label>514.224  / ELH