00285nam a2200109Ia 4500008004100000041000800041082002600049100001400075245003800089260004000127300000800167211209s1978    xx            000 0 und d  aeng  a658.403 4 N78 MOD/ELM  aMODER E J  aHAND BOOK OF OPERATIONS RESEARCH   bVAN NOSTRAND REINHOLD COMPANYc1978  a646