1. AATA: Animal Transport Association manual for the transport of live animals. 2007, [Accessed 22 December 2007], [ http://www.aata-animaltransport.org/ ]2
2. Animal Aid: A Dead Cert: Vivisection and the horse racing industry. Animal Aid. 2007, Tonbridge, Kent, UK, [Accessed 22 December 2007], [ http://www.animalaid.org.uk/images/pdf/booklets/deadcert.pdf ]
3. Animals' Angels: Transport of horses requirement for "Individual stalls" for long journeys. Enforcement of Council Regulation (EC) No 1/2005 on the protection of animals during transport. 2007, Frankfurt, Germany, Animal's Angels
4. Arluke A, Sanders C: Regarding Animals (Animals, Culture and Society). 1996, Philadelphia, Temple University Press, 169-182.
5. Borroni A, Canali E: Behavioural problems in Thoroughbred horses reared in Italy. Proceedings of the 26th Congress of Applied Ethology. Edited by: Nichelmann M, Wierenga H, Braun S, et al. 1993, 43-46.