000 00329nam a2200133Ia 4500
008 221001s2006 xx 000 0 eng d
020 _a8170339936
082 _a301.3 SAX
100 _aSaxena, H. C.
245 0 _aEnvironmental studies
260 _aJaipur
_bRawat Publications
_c2006
300 _axiv, 234p.
942 _2ddc
_cBK
999 _c49142
_d49142