1. Hydrocolloid technique for inlays and fixed bridges;Sears;D. Digest,1937
2. Hydrocolloid impression materials: physical properties and a specification;Paffenbarger;J.A.D.A.,1940
3. A study of certain physical properties of colloidal impression materials;Kern,1936
4. Colloidal impression materials;Skinner;J.A.D.A. & D. Cosmos,1938
5. Reversible and irreversible hydrocolloid impression materials;Skinner;J.A.D.A.,1950