1. Age distribution, life expectancy, and culling practices in Iowa dairy herds;Andrus;J. Dairy Sci.,1969
2. Regressions and correlations among consecutive and nonconsecutive lactation records;Barr;J. Dairy Sci.,1963
3. Bereskin, B. 1963. Effects of genetic and environmental variance on dairy sire evaluation. Ph.D. dissertation, Iowa State University Microfilm no. 63-7242, Univ. Microfilms, Ann Arbor, MI.
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. Genetic and environmental factors in dairy sire evaluation. II. Uses and limitations of deviation records and the roles of dams;Bereskin;J. Dairy Sci.,1965