Wilmer Souder
Circular of the Bureau of Standards No. 486
An investigation of the physical properties of dental materials
An investigation of the physical properties of dental materials, c by Wilmer H. Souder, Associate Physicist, Chauncey G. Peters, Associate Physicist, Bureau of Standards
Circular of the Bureau of Standards No. 433
Circular of the Bureau of Standards No. 532
Physical Properties of Dental Materials (Classic Reprint)