000 00311nam a2200121Ia 4500
082 _a333.715
_bTRE
100 _aTreasa, Glenny
245 _aImpact of human activities on natural resources case : Vembanad lake, Kerala.
260 _c2008
300 _avii,52p.23sheet
891 _aGRATIS
891 _aLA
999 _c15663
_d15663