1. Cow beef production in the Netherlands: perspectives for improvement;De Boer,1980
2. Economic importance of morphologic characteristics in beef carcasses;De Boer,1971
3. De economische betekenis van gezondheidsstoornissen bij melkvee I. voortijdige afvoer;Dijkhuizen,1980
4. Reasons for culling and implications on the age of cull cows;Gravert,1980
5. Mixed Model Least-squares and Maximum Likelihood Computer Program;Harvey,1977