00286nam a2200109Ia 4500008004100000041000800041082002200049100001400071245004600085260003700131300000800168211209s1958    xx            000 0 und d  aeng  a519.7DOR N 58 DOR  aDORFMAN R  aLINEAR PROGRAMMING AND ECONOMIC ANALYSIS   bMCGRAW-HILL KOGAKUSHA LTD.c1958  a540