1. Direct resinous filling materials: temperature rise during polymerization;Wolcott;J.A.D.A.,1951
2. Optical strain gages and extensometers;Tuckerman;Proc. Am. Soc. Test. Mat.,1923
3. Wrought gold wire alloys;Paffenbarger;J.A.D.A.,1932
4. Precise method for isolation of high polymers, analytical edition;Lewis;Ind. & Eng. Chem.,1945
5. Electronic strain gauge for measuring oral force;Howell;J. D. Res.,1948