1. Birth, pre-weaning and post-weaning traits of Angus, Holstein, Simmental and Chianina sires calves;Anderson;J. Anim. Sci.,1978
2. Influence of breed and crossbreeding on beef cow performance;Baker,1976
3. Experimental evidence for interaction between heterosis and environment in animals;Barlow;Anim. Breed. Abstr.,1981
4. The significance of genotype by environment interactions on breeding programs;Barlow,1987
5. The Mathematical Theory of Quantitative Genetics;Bulmer,1980