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2. Least-squares analysis of data with unequal subclass numbers;Harvey,1975
3. Performance of crossbred and purebred dairy cattle;Johnson;J. Anim. Sci.,1964
4. McDaniel, B. T., R. H. Miller, and E. L. Corley. 1965. DHIA factors for projecting incomplete records to 305 days. Dairy Herd Improvement letter. US Dept. Agric. ARS-44-164.
5. McDowell, R. E. 1981. Crossbreeding as a system of mating for dairy production. Southern Coop. Serv. Bull. (In press). Louisiana State Univ., Baton Rouge.