1. The use of calcite and other natural deposits of calcium carbonate in the ration of laying hens;Alder;Proc. 3rd World's Poultry Congress,1927
2. The effect of MgCQ, when added to diets of growing chicks;Buckner;Poultry Sci.,1932
3. Minerals in animal and poultry nutrition;Branion;Proc. 7th Annual Meeting of the Nutrition Council of the A.F.M.A.,1947
4. Magnesium for laying pullets;Halloran;Feedstuffs, July,1961
5. A device for measuring the strength of shells of eggs;Mehring;Poultry Sci.,1949