Papadimitriou, Christos H. and Steiglitz, Kenneth  <br/><br/>
Combinatorial optimization  :  algorithms and complexity  
Papadimitriou, Christos H. and Steiglitz, Kenneth  
 -   Dover  1998 
<br/><br/><label>Dewey Class. No.: </label>BK  / N98 PAP.S