000			00370nam a2200145Ia 4500
008			241226s9999 xx 000 0 und d
020			_a81-7041-352-4
082			_a577.14 _bTYA
100			_aTyagi, O
245		2	_aA textbook of enviromental chemistry
260			_aNew Delhi : _bAnmol Pub, _c1996.
300			_a404
365			_a85
650			_aChemical Engineering
999			_c131739 _d131739