000			00336nam a2200133Ia 4500
008			230130s2018 xx 000 0 und d
020			_a9788192954257
041			_aeng
082			_a574.5
100			_aKumar,Umesh _91503073
245			_aEcology Environment and Pollution
260			_aDelhi _bAmiga Press. Inc _c2018
300			_a216p
999			_c985792 _d985792