000			00319nam a2200133Ia 4500
008			190829s9999||||xx |||||||||||||| ||und||
020			_a978818584254X
100			_aSharma, B.K
245		0	_aEnvironmental Chemistry
260			_bGoel Publishing House _aMeerut
650			_aChemistry
700			_aKaur, H
942			_cBK
999			_c2449 _d2449