000			00450 a2200181 4500
041			_aEn
080			_bPER
082			_a621
100			_aPerera K.T
245			_aEvaluation and mapping of suface water resoources in Malwathu oya cascade I
260			_c2011 _g2011
300			_bill,pic,map _c30 cm. _avii,50 p
650			_aWATER QUALITY PARAMETERS
650			_aGIS
650			_aCASCADE SYSTEM
650			_aWATER SPREAD AREA
942			_cT
999			_c10647 _d12094