000 00257nam a2200109Ia 4500
008 220201s1987 xx 000 0 eng d
100 _aTAHA HAMDY A
245 0 _aOPERATIONS RESEARCH
260 _aLONDON
_bMACMILLAN PUB
_c1987
300 _a876
942 _2ddc
999 _c92938
_d92938