1. Undersøgelser Over Ikke—omløbenprocent som mol for Insemineringstyre Frugtbarhed (Measuring Fertility Level of A.I. Bulls by Non-returns and by Pregnancy Examinations.) Nord;Adler.;Vet. Med.,1952
2. Measuring Breeding Efficiency by Pregnancy Examinations and by Nonreturns;Barrett;J. Dairy Sci.,1948
3. Heritability of Fertility in Dairy Cattle;Dunbar;J. Dairy Sci.,1953
4. Genetic Factors Affecting Conception Rate and Early Pregnancy Loss in Holstein Cattle;Mares;J. Dairy Sci.,1961
5. Alvanced Statistical Methods in Biometric Research;Rao,1952