1. Crossbreeding Dairy Cattle. IV. Effects of Breed Group, Lactation Production, and Pregnancy on Body Growth. Generation 1;Bereskin;J. Dairy Sci.,1967
2. Quantitative Methods in Psychology;Lewis,1960
3. Animal Breeding Plans;Lush,1945
4. Roache, K. L. 1960. Wedge Conformation as Related to Milk Production in Dairy Cattle. M.S. thesis, Iowa State University, Ames.
5. Physiology of Reproduction anl Artificial Insemination of Cattle;Salisbury,1961