000 00313nam a2200133Ia 4500
008 160316s2006 xxu||||| |||| 00| 0 eng d
020 _a8171338143
100 _aP.D. Sharma
245 _aEcology And Environment
250 _a1st
260 _aMEERUT
_bRASTOGI PIBLICATIONS
_c2006
300 _a660
700 _a
_a
999 _c11600
_d11600