Austin, A. R., M. M. Simmons, and G. A. H. Wells. “Pathological Temperament Changes in Bovine Animals”. The Bovine Practitioner 1997, no. 31.2 (May 1, 1997): 99–103. Accessed September 6, 2024. https://bovine-ojs-tamu.tdl.org/bovine/article/view/1537.