000 00292nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Dean, N."
245 4 _aThe Essentials of Discrete mathematics
260 _bPHI Learning Pvt. Ltd
260 _c1997
365 _b75.00
942 _cBK
999 _c140971
_d140971