1. Accuracy of test interval method of calculating dairy herd improvement association records;Everett;J. Dairy Sci.,1968
2. Stndies on the accuracy and the possibility of simplifying milk recording;Jasiorowski;Animal Breed. Abstr.,1966
3. Miller, R. H., R. D. Plowman, C. A. Rampendahl, and J. J. Corbin. 1967. Production levels of DHIA herds continue to increase. USDA, Dairy Herd Improvement Letter, 43: (4), AR8-44-194. 18 pp.
4. Nielson, E. 1967. The use of alternate A.M. and P.M. monthly testing to estimate 305 day production for dairy cows. M.S. thesis, University of New Hampshire, Durham.
5. The accuracy of alternating milk recording;Poly;Animal Breed. Abstr.,1966