000			00316nam a2200133Ia 4500
008			210901s1959 xx 000 0 eng d
082			_a519.92 SAS
100			_aSasieni, Maurice
245		0	_aOperation research
260			_aLondon _bJohn Willey _c1959
300			_a316p.
650			_aManagemant
942			_2ddc _cBK
999			_c7147 _d7147