Brightling, P., M. T. Larcombe, B. C. Blood, and P. C. Kennedy. “Development and Use of BOVID-3, an Expert System for Veterinarians Involved in Diagnosis, Treatment and Prevention of Diseases of Cattle”. The Bovine Practitioner, vol. 1998, no. 32.2, May 1998, pp. 46-49, doi:10.21423/bovine-vol1998no32.2p46-49.