3Eliseo Clementini,Paolino Di Felice,Gianluca Califano.??Composite regions in topological queries(J)Information Systems . 1995 (7)
4Eliseo Clementini,Paolino Di Felice.??A spatial model for complex objects with a broad boundary supporting queries on uncertain data(J)Data & Knowledge Engineering . 2001 (3)
5Zhang J,Qin X.Topological Analysis between Bodies with Holes. International Journal of Computer Science and Network Security . 2008
