1. On the geographical distribution in former times and today of the recent Equidae;Antonius,1937
2. Arab Horse Society, 1981. Personal communication.
3. Grazing patterns of horses;Archer;Br. Vet. J.,1977
4. Ethogram of agonistic behaviour for thoroughbred horses;Arnold;Appl. Anim. Ethol.,1982
5. Studies on the products of fermentation in the faeces of foals;Baintner;Allatenyesztes,1971