000			00344nam a2200133Ia 4500
008			100328s9999 xx 000 0 und d
082			_b62610
100			_aManivasakam N.
245			_aEnvironmental Pollution.
260			_bNational Book Trust.
630			_aEnvironmental Pollution.
730			_aEnvironmental Pollution.
942			_cBOOK
999			_c548577 _d548574