Operational research '81  proceedings of the ninth IFORS International Conference on Operational Research, Hamburg, Germany, July 20-24, 1981 
edited by J.P. Brans 
 - Amsterdam  New York  North-Holland Pub. Co.  c1981 
 - xx, 984p.  ill.  23cm 
<br/><br/> Summaries in English and French 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management--Mathematical models<br/>Operations research<br/>System analysis
<br/><br/><label>Dewey Class. No.: </label>658.4  / 034