Msolla, P.M., H.J.C. Cornwell, and A. Wiseman. “A Comparison of Selected Biological Characteristics of the Colorado, Oxford and Strichen Strains of Infectious Bovine Rhinotracheitis Virus”. Tanzania Veterinary Journal 9, no. 2 (June 30, 1989): 45–50. Accessed May 17, 2026. https://tvj.sua.ac.tz/vet2/index.php/TVJ/article/view/340.