@Incollection{RodríguezBrisaboa05, author = {Brisaboa, N. R. and Viqueira, J. R.}, title = {Bases de Datos espaciales}, booktitle = {Sistema de Información Medioambiental}, publisher = {Netbiblo S. L.}, address = {Oleiros}, year = {2005}, pages = {41-56} }