Generalization of integrated terrain elevation and 2D object models. - Jantien E. Stoter; Friso Penninga; P. J. M. van Oosterom (SDH, 2004)

3D Topographic Data Modelling: Why Rigidity Is Preferable to Pragmatism. - Friso Penninga (COSIT, 2005)

Construction of the Planar Partition Postal Code Map Based on Cadastral Registration. - Friso Penninga; Edward Verbree; Wilko Quak; Peter van Oosterom (GeoInformatica, 2005)

A Compact Topological DBMS Data Structure For 3D Topography. - Friso Penninga; Peter van Oosterom (AGILE Conf., 2007)

A simplicial complex-based DBMS approach to 3D topographic data modelling. - Friso Penninga; P. J. M. van Oosterom (Int. J. Geogr. Inf. Sci., 2008)

Three-dimensional modeling with national coverage: case of The Netherlands. - Jantien E. Stoter; Linda van den Brink; Jakob Beetz; Hugo Ledoux; Marcel Reuvers; Paul Janssen; Friso Penninga; George Vosselman; Sander Oude Elberink (Geo spatial Inf. Sci., 2013)