Vaarst M, Padel S, Younie D, Sundrum A, Hovi M, Rymer C.
The SAFO project: Outcomes, conclusions and challenges for the future. I Rymer C, Vaarst M, Padel S, red., Future perspectives for animal health on organic farms: Main findings, conclusions and recommendations from the SAFO network. Fischer Taschenbuch Verlag - Forum Wissenschaft Hochschule. 2006. s. 129-134
Vaarst M, Wemelsfelder F, Seabrook M, Boivin X, Idel A.
The role of humans in the management of organic herds. I Animal health and welfare in organic agriculture (Vaarst, M., Roderick, S., Lund, V. & Lockeretz, W., eds.), CABI Publishing, CAB International, Wallingford, UK (ISBN 0-85199-668-X), Chapter. Bind 10. 2003. s. 205-226
Thodberg K, Malmkvist J, Christensen JW, Søndergaard E.
The role of animal contact in targeting human problems: how to quantify objectively. I Søndergaard E, Thomsen LR, red., Proceedings of the 21st Nordic Symposium of the International Society for Applied Ethology, 19-21 January 2009, Bjerringbro, Denmark. Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet. 2009. s. 13. (Internal report, animal science; Nr. 13).