000 00270nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aRAGHAVAN NAMBIAR K
245 _aTEXTBOOK OF ENVIRONMENTAL STUDIES
250 _a2
260 _c2008
_bSCITECH PUBLICATIONS (INDIA) PVT.LTD
999 _c56034
_d56034