[1]
D. W. Johnson, F. R. Paul, C. C. Muscoplat, and J. F. Drake, “A New Approach to Vaccination for Infectious Bovine Rninotracheitis (IBR) and Bovine Viral Diarrhea (BVD) Using a Ballistic Implantation System”, Bov. pract., vol. 1985, no. 20, pp. 133–135, Nov. 1985.