Alexandersen S, Knowles NJ, Belsham GJ, Dekker A, Nfon C, Zhang Z et al.
Picornaviruses. I Diseases of Swine. Wiley. 2019. s. 641-684 doi: 10.1002/9781119350927.ch40
Børsting CF, Hellwing ALF, Weisbjerg MR, Østergaard S, Raun BL, Røjen BA et al.
Feeding dairy cows with no or reduced amounts of forage. I Udén P, Eriksson T, Spörndly R, Rustas BO, Karlsson J, red., Proceedings of the 10th Nordic Feed Science Conference. Uppsala: Swedish University of Agricultural Sciences, Department of Animal Nutrition and Management. 2019. s. 87-91. (Sveriges Lantbruksuniversitet. Institutionen foer Husdjurens Utfordring och Vaard. Rapport, Bind 302).