Geometrical and topological modelling of caves supported by a relational database model
José I. Rodrigues and Mauro Figueiredo (ISE, CIMA, University of Algarve, Faro, Portugal), Ivo Silvestre (CIMA, University of Algarve, Faro, Portugal), Cristina Veiga-Pires (FCT, CIMA, University of Algarve, Faro, Portugal)