Marques, C., 		Guilherme, I., 		Foster, E., 		Assis, E., & 		Meaulo, F.
(2009).
 Support system for analyzing natural vulnerability to pollution of underground water resources.
In <em>Proceedings of the 1st Workshop of Applied Computing for the Management of the Environment and Natural Resources</em>, (pp. 1363-1372). Porto Alegre: SBC.