1. The conservation of animal genetic resources in the United Kingdom;Alderson,1980
2. The limits of artificial selection;Al-Murrani;Anim. Breeding Abstr.,1974
3. Phylogenetic analysis of native Italian cattle breeds;Astolfi;Z. Tierz. Züchtungsbiol.,1983
4. Animal genetics resources in Asia and Oceania. The perspective;Barker,1980
5. Experimental evidence for interaction between heterosis and environment in animals;Barlow;Anim. Breed. Abstr.,1981