000			00289nam a2200133Ia 4500
020			_a8173194106
082			_a528 SUB
100			_aSUBRAMANIAN, V.
245			_aTEXTBOOK OF ENVIRONMENTAL SCIENCE
260			_bNAROSA _c2009
300			_a238
650			_aENVIRONMENT
942			_2ddc _cBB
999			_c75822 _d75822