1. Reproduction in Mammals;Austin,1970
2. “Before We are Born.” Basic Embryology and Birth Defects;Moore,1974
3. Human Population Cytogenetics;Court-Brown,1967
4. The epidemiology of human spontaneous abortions with chromosomal anomalies;Boué,1975
5. Embryonic death in pigs caused by unbalanced karyotype;Akesson;Acta Vet. Scand.,1972