1. Algers B 2004. Injury and disease. Proceedings of the Global Conference on Animal Welfare: an OIE Initiative, 23–25 February, Paris, France, pp. 179–184.
2. Asheim LJ, Bøe KE, Clemetsen M, Drabløs D, Eik LO, Garmo TH, Haug I, Kvam G-T, Nedkvitne JJ, Nygård B, Rønningen O, Svendsen B, Skurdal E, Stuen S, Ulvund MJ, Waldeland H and Ådnøy T 2002. Geiteboka (The goat book), 3rd edition. Landbruksforlaget, Oslo, Norway. (In Norwegian).
3. Mastitis of dairy small ruminants;Bergonier;Veterinary Research,2003
4. Genetics of fear in ruminant livestock;Boissy;Livestock Production Science,2005
5. Assessing proportionality in the proportional odds model for ordinal logistic regression;Brant;Biometrics,1990