1. Ahunu, B. K. 1978. Genetic and environmental parameters of milk protein yields in Holsteins. M.Sc. thesis, University of British Columbia, Vancouver.
2. Relations between milk yield and length of useful life in an Allan herd;Bakels;Anim. Breeding Abstr.,1959
3. Regression and correlation among consecutive and nonconsecutive lactation records;Barr;J. Dairy Sci.,1963
4. Genetic and environmental factors in dairy sire evaluation I. Effects of herds, months, and year-seasons on variance among lactation records; repeatability and heritability;Bereskin;J. Dairy Sci.,1965
5. Estimation of genetic trends in dairy cattle populations;Burnside;J. Dairy Sci.,1967