000 00284nam a2200133Ia 4500
008 221030s9999 xx 000 0 und d
041 _aEnglish
082 _a105.23
100 _aA Gupta
245 0 _aOperational Research
_cby A Gupta
260 _c0
650 _aMc
942 _cBK
999 _c11029
_d11029