1. Manipulation of Dental Porcelain;Clark;J.A.D.A,1935
2. The Science of Dental Materials;Skinner,1954
3. The Science of Dental Materials;Skinner,1954
4. Effect of Varying Manipulation Upon Certain Physical Properties of a Dental Porcelain;Sayre;Northwestern Univ. Bull,1938
5. Porcelain Condensation and Pontics;Baker;Fort. Rev. Chicago D. Soc,1950