000 00428nam a2200145Ia 4500
008 180713s9999 xx 000 0 und d
082 _a658.403 4 G1
100 _a"Gupta, P K "
245 0 _aProblems in Operations Research
260 _aNew Delhi
260 _b Sultan Chand & Sons
260 _c2010
365 _b350
942 _cBK
999 _c111169
_d111169