00285nam a2200109Ia 4500008004100000041000800041082002200049100000900071245004200080260004500122300000800167211209s1976    xx            000 0 und d  aeng  a658.403 4 N76 TAH  aTAHA  aOPERATIONS RESEARCH: AN INTRODUCTION   aNEW YORKbMCGRAW-HILL BOOK COMPANYc1976  a664