000			00407nam a2200157Ia 4500
008			190302s9999||||xx |||||||||||||| ||und||
020			_c160 _a81-224-1247-5
040			_aKharagpur College Library
082			_a301.3 _bDE
100			_aA. K. De
245			_aEnvironmental Chemistry
260			_bNew Age international _aKolkata _c2000
300			_a392 p.
650			_aEnvironmental Science
942			_cBK
999			_c2546 _d2546