1. A novel type of skeleton for polygons;Aichholzer;J. Univers. Comput. Sci.,1995
2. Straight skeletons for general polygonal figures in the plane;Aichholzer,1996
3. Straight-skeleton based contour interpolation;Barequet,2003
4. Interactive modelling tools for 3d building reconstruction;Brenner,1999
5. Towards fully automatic generation of city models;Brenner;Int. Arch. Photogramm. Remote Sens.,2000