000			00542nam a2200205Ia 4500
001			17619
005			20250221151201.0
008			250214s9999||||xx |||||||||||||| ||und||
020			_a8173194106
100			_aSubramanian, V
245		0	_aTextbook in environmental science
260			_aNew Delhi
260			_bNarosa Publishing House
260			_c2002
300			_a238p. : ill.
500			_aIncludes bibliographical references and index.
650			_aEnvironmental engineering
650			_aEnvironmental science
942			_cBK
999			_c33619 _d33619