000 00316nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aManju Yadav
245 0 _aEcology
250 _a2nd RP
260 _aNew Delhi
260 _bDiscovery Publishing House
260 _c2004
650 _aEcology
942 _cBK
999 _c20914
_d20914