000 00300nam a2200109Ia 4500
020 _a07085484X
100 _aRobert E Machol
245 _aElementary Systems Mathematics: Linear Programming for Business and the Social Sciences
260 _c1976
_bMGH (ISE)
_aTokyo
300 _axviii+267
942 _cBK
999 _c7574
_d7574