1. Determination of some compressive properties of human enamel and dentin;Stanford;J.A.D.A,1958
2. Elastic and mechanical properties of human dentin;Craig;J.D.Res,1958
3. The mechanical properties of human enamel and dentine;Tyldesley;Brit. D.J,1959
4. American Dental Association Specification No. 9 for dental silicate cement: first revision. Effective July 1, 1950;Paffenbarger;J.A.D.A,1950
5. American Dental Association Specification No. 8 for dental zinc phosphate cement. First revision (effective July 1, 1938);Paffenbarger;J.A.D.A,1937