1. Acrylic Resins in Prosthetic Dentistry;(Goodyear) Sweeney;D. Clin. North America,1958
2. Physical and Clinical Characteristics of Synthetic Resins Used in Dentistry;Peyton;J.A.D.A.,1943
3. Restorative Dental Materials;Peyton,1960
4. Der Volkommere Zahnarzt;de Chemant,1835
5. (Loomis): Personal observation.