000			00377nam a2200145Ia 4500
008			260319s9999 xx 000 0 und d
020			_a9.7893803865e+012
082			_a515.3 _bBAL/A
100			_aBali,N P
245		2	_aA Textbook of Engineering Mathematics-IV
250			_a11th Ed.
260			_aNew Delhi _bUniversity Science Press _c2024
300			_a521p.
942			_cBK
999			_c51616 _d51616