1. Physical Properties of Gypsum Model Investments;Osborn;J.A.D.A.,1959
2. Dimensional Changes in Duplicating Investment Casts;Craig;D. Progress,1961
3. Investments for Casting Cobalt-chrome Alloys;Earnshaw;Brit. D. J.,1960
4. The Casting Shrinkage of Cobalt-Chromium Alloys;Earnshaw;Australian D. J.,1958
5. Further Measurements of Casting Shrinkage of Dental Cobalt-Chromium Alloys;Earnshaw;Brit. D. J.,1960