1. Ahn, S. J., & Schultes, M. (1997). A new circular coded target for the automation of photogrammetric 3D-surface measurements. In Optical 3-D Measurement. München, Germany: Wichmann Verlag.
2. Anders, K.-H., & Sester, M. (1997). Methods of data base interpretation — applied to model generalization from large to medium scale. In W. Förstner, & L. Plümer, SMATI'97: Semantic modelling for the acquisition of topographic information from images and maps (pp. 98–103). Basel: Birkenhäuser.
3. Bernecker, B. (1999). Krümmungsbasiertes Map matching — ein verfahren zur positionsbestimmung, Diploma Thesis Nr. 452, Institute for Photogrammetry, University of Stuttgart.
4. Czommer, R., & Möhlenbrink, W. (1999). Multi-sensor map matching concepts for positioning of road and rail vehicles. In Proc. International Workshop on Mobile Mapping Technology (pp. 4.4.1–4.4.6). Bangkok Thailand.
5. Hierarchical triangulation for multiresolution surface description;De Floriani;ACM Transactions on Graphics,1995