000 00334nam a2200145Ia 4500
008 180613s9999||||xx |||||||||||||| ||und||
020 _a81-7033-994-4
041 _aen
082 _a333.7
100 _aSAXENA,H.M.
245 0 _aEnvironmental Studies
260 _aNew delhi
_bRawat Pub
_c2006
300 _axiv, 234p.
942 _cSR
999 _c76404
_d76404