000 00344nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aDr.G.Rajah
245 0 _aBasic Environmental Studies
250 _a1st
260 _aChennai
260 _bMargham Publications
260 _c2008
650 _aBasic Environmental Studies
942 _cBK
999 _c25997
_d25997