Spatial Queries and Data Models. - Leila De Floriani; Paola Marzano; Enrico Puppo (COSIT, 1993)

Hierarchical terrain models: survey and formalization. - Leila De Floriani; Paola Marzano; Enrico Puppo (SAC, 1994)

Line-of-Sight Communication on Terrain Models. - Leila De Floriani; Paola Marzano; Enrico Puppo (Int. J. Geogr. Inf. Sci., 1994)

A Unifying Framework for Multilevel Description of Spatial Data. - Michela Bertolotto; Leila De Floriani; Paola Marzano (COSIT, 1995)

Pyramidal simplicial complexes. - Michela Bertolotto; Leila De Floriani; Paola Marzano (Symposium on Solid Modeling and Applications, 1995)

Multiresolution models for topographic surface description. - Leila De Floriani; Paola Marzano; Enrico Puppo (Vis. Comput., 1996)

Discrete Visibility Problems and Graph Algorithms. - Enrico Puppo; Paola Marzano (Int. J. Geogr. Inf. Sci., 1997)