000			00342nam a2200133Ia 4500
008			260319s9999 xx 000 0 und d
020			_a9.7881219036e+012
082			_a540.78 _bDAR/A
100			_aDara,S S
245		2	_aA Textbook of Engineering Chemistry
260			_aNew Delhi _bS.Chand Publishing _c2022
300			_a972p.
942			_cBK
999			_c51587 _d51587