000			00470nam a2200157Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
082			_a628.5 _bPUR
100			_aPurohit,S.K. _910395
245			_aChemical and biological methods of water and air pollution control : A practical Hygiene Manual
260			_bAgro Botanical, _c1985. _aIndia:
300			_a57p.; _c17 cm
650			_aPollution countermeasures
650			_aEngineering
942			_2ddc _cLM
999			_c6079 _d6079