Gutin, Gregory and Punnen, Abraham P    eds. <br/><br/>
The traveling salesman problem and its variations   

 - Dordrecht  Kluwer Academic Publication  2002 
 - xviii, 830p. Bibl. Index. 
 - Combinatorial Optimization    v. 12 .
<br/><br/>  
<br/><br/><label>ISBN: </label>1402006640 
<br/><br/><label>Dewey Class. No.: </label>519.91015116  / G984.TS