1. The use of calcite and other natural deposits of calcium carbonate in the ration of laying hens;Alder,1927
2. Characteristics of an abnormal type of egg shell;Almquist;Poultry Sci.,1934
3. Investigations on the strength of hen eggs;Baskett;J. Min. Agric. Ireland,,1937
4. Effect of accelerated forces on avian embryogenesis;Besch;J. Appl. Physiology,,1965
5. Applications des Potentials a l’Etude de l’Equilibre et du Mouvement des Solides Elastiques;Boussinesq,1885