000 00278nam a2200109Ia 4500
008 220201s1997 xx 000 0 eng d
100 _aRICHARD B
245 0 _aTHEORY AND PROBLEMS OF OPERATIONAL RESEARCH
260 _aDELHI
_bACADEMIC PRESS
_c1997
300 _a328
942 _2ddc
999 _c93049
_d93049