Wilkes, Michael <br/><br/>
Operational research   analysis and applications 
Michael Wilkes 
 - Maidenhead  McGraw-Hill  1989 
 - xv, 502p. 
<br/><br/><label>ISBN: </label>0077072103 
<br/><br/><label>Dewey Class. No.: </label>658.4034 W652O