000			00332nam a2200145Ia 4500
008			221121s9999 xx 000 0 und d
041			_aENGLISH
082			_bTRI
100			_aTRIVEDI,P.R.
245		0	_aENVIRONMENTAL POLLUTION AND CONTROL
260			_bAPH PUBLICATION
300			_a250
650			_aPEDAGOGY
942			_cREF
999			_c177945 _d177945