000 00334nam a2200133Ia 4500
008 170101s1997 xx 000 0 und d
020 _a8176633828
082 _a519.9 CHA
100 _aChawla, K.K
245 0 _aPractical problems in operations research
260 _aCalcutta
_bKalyani
_c1997
300 _aP.57
942 _2ddc
_cBK
999 _c110131
_d110131