The Radial Topology Algorithm - A New Approach for Deriving 2.5D GIS Data Models.

Ulrich Lenk Christian Heipke The Radial Topology Algorithm - A New Approach for Deriving 2.5D GIS Data Models. 447-468 2006 10 GeoInformatica 4 http://dx.doi.org/10.1007/s10707-006-0342-8 db/journals/geoinformatica/geoinformatica10.html#LenkH06