Nicolai Siemens <br/><br/>
Operations Research : Planning Operating and Information Systems 

 - New York  Free Press  1973 
 - 450p 
<br/><br/>Nicolai Siemens; C. H Marting & Frank Greenwood: Operations Research : Planning Operating and Information Systems.  New York.  Free Press, 1973.--(519.92SIE)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>519.92  / SIE