000			00334nam a2200133Ia 4500
005			20250626142844.0
008			241013s9999 xx 000 0 und d
020			_aNMIT007585
100			_aRavikrishnan, A
245		0	_aEnvironmental Science Engineering
260			_bGulf Publishing Company _c1987
300			_a465p.,
942			_cBK
999			_c16359 _d16359