1. Are we getting too much inbreeding in our dairy breeds?;Aitchison;Hoard's Dairyman,1981
2. Bonczek, R. R. 1981. Evaluation of two mildly inbred lines of dairy cattle developed at the University of Minnesota. M. S. thesis, Univ. Minnesota, St. Paul.
3. Comparison of the ancestry and inbreeding of two lines of Holstein cattle and the Holstein breed;Bonczek;J. Dairy Sci.,1980
4. Coefficients of inbreeding and degree of relationship for the British-Friesian herd;Bowman;Anim. Prod.,1978
5. Are we being hurt by too much inbreeding?;Hansen;Hoard's Dairyman,1982