000			00489nam a2200181 4500
999			_c69121 _d69121
020			_a8170339936
041			_aeng
082			_a333.707 _bSAX
100			_aSaxena, H. M.
245			_aEnvironmental studies _cH. M. Saxena
260			_aJaipur _bRawat Publications _c2006
300			_axiv,234p.; _c23cm.
650			_aEnvironmental science-Study and teaching
650			_aPollution
650			_aBiological diversity
650			_aConservation of natural resources
942			_cBK