000			00337nam a2200145Ia 4500
008			230913s9999 xx 000 0 und d
082			_a577.14 DAR
100			_aDara, S.S.
245		0	_aEnvironmental Chemistry & Pollu Centrol
260			_aNEW DELHI
260			_bS.CHAND
260			_c2001
300			_a329
650			_aChemistry
999			_c117673 _d117673