000 00432 a2200169 4500
020 _a8121918758
082 _a577.2709
_bMIS
090 _c20497
_d31766
100 _aMishra, M.P
245 _aOur environment
260 _aNew Delhi
_bS.Chand & Company Ltd
_c2000
_g2000
300 _a[vi],80p.
_c24cm
650 _aEffects of human on ecology
650 _aEcology
650 _aSpecific factors affecting ecology
942 _cL
999 _c48109
_d48109