000 00315pam a2200133a 44500
082 _a628.072
_bD858g
100 _aDuckworth, Walter Eric
245 1 _aGUIDE TO OPERATIONAL RESEARCH
260 _aLondon
_bMethuen
_c1962
300 _a145
650 _aOperations Research
964 _gCIRC
997 _a16160 C
999 _c441393
_d441393