1. Studies on Monozygous Cattle Twins. IX. The Interplay of Heredity and Environment on Growth and Yield;Bonnier;Acta Agr. Succana,1948
2. Effectiveness of Selection on Progeny Performance as a Supplement to Earlier Culling in Livestock;Dickerson;J. Agr. Research,1944
3. The Problem of Environment and Selection;Falconer;Am. Naturalist,1952
4. Environment and Poultry Breeding Problems. I. The Influence of Several Environments on the Egg Production and Viability of Different Genotypes;Gowe;Poultry Sci.,1954
5. The Relative Effects of Environment and Heredity upon Body Measurements and Production Characteristics in Poultry. II. Period of Egg Production;Gutteridge;Sci. Agr.,1942