000 00332nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Dev sharma, B.K. & Nath, D."
245 2 _aA Textbook of Mathematics and Trigonometry and Co-ordinate geometry
260 _bWiley-Eastern
260 _c1992
365 _b40.00
942 _cBK
999 _c137671
_d137671