1. Complete dentures;Swenson,1953
2. Schultz, A. W. Personal communication.
3. Rest position of mandible and centric relation;Niswonger;J.A.D.A.,1934
4. Nomenclature Committee of Academy of Denture Prosthetics,1956
5. Freeway space and Its significance In rehabilitation of masticatory apparatus;Landa;J. Pros. Den.,1952