000 00263nam a2200121Ia 4500
100 _aVishwa Nath
245 _aEngineering Mathematics - 1
250 _a12th
260 _c1986
_bSatya Prakashan
_aNew Delhi
300 _a648
700 _aKishan Lal
942 _cBK
999 _c10394
_d10394