1. Chemical classification of cattle. 1. Breed groups;Baker;Animal Blood Croups and Biochemical Genetics,1980
2. Parent stock and derived types of African cattle, with particular reference to the importance of conformational characteristics in the study of their origin;Bisschop;South African Journal of Science,1937
3. Genetic relationships between breeds of horses and ponies in the Netherlands;Blokhuis;Animal Blood Groups and Biochemical Genetics,1979
4. Blood groups of Nigerian cattle. Comparative aspects;Braend;Animal Blood Groups and Biochemical Genetics,1979