1. Measurement of change in twelve California dairy herds;Arave;J. Dairy Sci.,1964
2. Estimated genetic progress in milk and milk fat yield in a Louisiana Holstein herd;Branton;J. Dairy Sci.,1967
3. Estimaion of genetic trends in dairy cattle populations;Burnside;J. Dairy Sci.,1967
4. Genetic trends and selection in a dairy cattle herd;Burnside;Can. J. Anim. Sci.,1968
5. Elston, R. C. 1959. The estimation of genetic gain in milk yield due to sire selection over a period of time. Ph.D. Thesis, Cornell University, Ithaca, NY.