1. A user's guide to SAS 76;Barr,1976
2. Factors affecting occurrence of blind quarters in first lactation dairy cows;Duraes,1978
3. Instructions for use of least squares and maximum likelihood general purpose program;Harvey,1976
4. Diseases of the mammary glands of domestic animals;Heidrich,1967
5. Genetic aspects of dairy cattle breeding;Johansson,1961