1. Banos, G., Philipsson, J., Gundel, M., Juga, J. & Sander-Nielsen, U. 1994. Joint genetic evaluation of black-and-white dairy bulls in the Nordic countries for dairy production traits. Acta Agric. Scand. 44, 129-137.
2. Gravir, K. 198S. Storfeavl, spesiell avlslsere. Course notes for the Department of Animal Science, NLH, As. 243 pp. (In Norwegian.)
3. Heringstad, B., Klemetsdal, G. & Ruane, J. 1996. Selection for mastitis resistance in dairy cattle-a review with special consideration of the situation in the Nordic countries. 47th Annual Meeting of the EAAP, Lillehammer, 10 pp.
4. Jacques, F. & Klemetsdal, G. 1990. Nordic dairy cattle comparison for milk production by using a mixed linear model approach. Livest. Prod. Sci. 26, 91-106.
5. Kennedy, B. W. & Trus, D. 1993. Considerations on genetic connectedness between management units under an animal model. J. Anim. Sci. 71, 2341-2352.