Approximation algorithms for NP-hard problems / 
edited by Dorit S. Hochbaum. 
 - Boston ;  London :  PWS Pub. Co,  c1997. 
 - xxii, 596p. :  ill. ;  25cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0534949681 :  £51.50 
<br/><br/><label>LCCN: </label>95031849 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programming (Mathematics)<br/>Approximation theory.<br/>Algorithms.
<br/><br/><label>Dewey Class. No.: </label>511.42