1. Posselt, U., and Franze´n, G.: Registration of the Condyle Path Inclination by Intraoral Wax Records: Variations in Three Instruments, J. Pros. Den. To be published.
2. Beitrag zum Artikulationsproblem;Gysi,1908
3. Die Vollprothese;Ko¨hler,1929
4. The Gysi Face-Bow (Directions for Use),1935
5. Studies in the Mobility of the Human Mandible;Posselt;Acta Odont. Scandinavica,1952