000 00406 a2200169 4500
082 _a577
_bVER
090 _c20455
_d31722
100 _aVerma, P. S.
245 _aAnimal ecology
_benvironmental biology
250 _a3rd ed.
260 _aNew Dilhi
_bS.Chand & Company Ltd
_c1982
_g1987
300 _avii,266p.
_c21cm
650 _aEcology
650 _aBiology
700 _aAgarwal,V. K.
942 _cL
999 _c48073
_d48073