000 00225 a2200097 4500
001 28214
100 _aGue, R L
245 _aMathematical methods in operation research
260 _a
_bMacmillan
_c1970
090 _c18844
_d18844
942 _aNUST-CAE
_cM
_c9829
999 _c263287
_d263287