000			00355nam a2200133Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a543
100			_aPurohit, S.S.
245		0	_aChemical and Biological Methods of Water and Air Pollution Control.
260			_aIndia _bAgro Botanical Pub. _c1985
300			_avi, 57 p.
942			_cPR
999			_c71985 _d71985