000 00351nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a620.716 R569
100 _aRIGGS,J.L
245 0 _aINTRODUCTION TO OPERATION RESEARCH AND MANAGEMENT SCIENCE A GENERAL SYSTEMS APPR
260 _aKOGAKUSHA
_bMcGraw-Hill
_c1975
300 _a21X15
942 _cBK
_2DDC
999 _c17931
_d17931