000			00324nam a2200133Ia 4500
008			170101s2007 xx 000 0 und d
020			_a9788127240196
082			_a577.27 SIN
100			_aSingh, K.K
245		0	_aAir Water and soil pollution
260			_aKolkata _bKalyani _c2007
300			_aP.445
942			_2ddc _cBK
999			_c246681 _d246681