1. Bereskin, B. 1963. Effects of Genetic and Environmental Variance on Dairy Sire Evaluation. Ph.D. thesis, Iowa State University, Ames.
2. Gtenetie and Environmental Factors in Dairy Sire Evaluation II. Uses and Limitations of Deviation Records and the Role of Dams;Bereskin;J. Dairy Sci.,1965
3. Actual and Expected Accuracy of Sire Proofs Under the New York System of Sampling Bulls;Heidhues;Z. Tierzücht. Züchtungsbiol., Band,1961
4. Genetic Aspects of Dairy Cattle Breeding;Johansson,1961
5. The Number of Daughters Necessary to Prove a Sire;Lush;J. Dairy Sci.,1931