1. Undersøgelser over ikke-omløberprocent som mål for insemineringstyres frugtbarhed;Adler;Nord. Vet.-Med.,1952
2. Measuring Breeding Efficiency by Pregnancy Examination and by Non-Returns;Barrett;J. Dairy Sci.,1948
3. Fertilization Failure and Embryonic Death in Domestic Animals. Pregnancy Wastage;Casida,1953
4. The Effects of Infertile Insemination and Individuality of Bulls Upon the Subsequent Fertility of Cows Returning for Service;Christian;J. Dairy Sci.,1951
5. Advanced Statistical Methods in Biometric Research;Rao,1952