@article {2917,
	title = {Fractionation and availability of heavy metals in Ratnapura gem bearing alluvium},
	year = {2011},
	publisher = {Geological Society of Sri Lanka, Peradeniya},
	author = {Vithanage, M and Jayarathna, IPL and Wijesekara, SSRMDHR and Hewawasam, ALT and Kumara, HAJ and RAJAPAKSHA, RMAU}
}
