000 004120000a22001450004500
008 140223b1977 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aB289 L7
082 _aB289 L7
100 _aDUCKWORTH (W E)
700 _aOthers.
245 _aGuide to opertional research, by W.E.Duckworth , A E Gear and A G Lockett.
260 _aLondon
_bChapman and Hall
_c1977
650 _aOPERATIONS RESEARCH
999 _c223054
_d223054