000 00330nam a2200121Ia 4500
008 180413s9999 xx 000 0 und d
020 _a8121902819
100 _aGupta Kumar Prem
245 0 _aOperations Research Kumar Prem Gupta
260 _bNew Dehli: S. Chand And Company 2001
546 _aEng
690 _aOperations Research
999 _c29274
_d29274