000 00404 a2200169 4500
020 _a812032773X
082 _a577
_bRAN
090 _c20430
_d31686
100 _aRana, S. V. S.
245 _aEssential of ecology and environmental science
250 _a2nd ed.
260 _aNew Dilhi
_bPrentice Hall
_c2005
_g2005
300 _axv,488p.
_c24cm
650 _aEcology
650 _aBiology
942 _cL
999 _c48051
_d48051