000 00320nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aGupta N.K
245 0 _aMathematics Textbook for class XIII
260 _bNational Council of educational research and training
260 _c2008
365 _b50.00
942 _cBK
999 _c160271
_d160271