Great Britain.
Unknown Author
Ministry of Agriculture, Fisheries and Food
Mary Randolph
Royal College of Veterinary Surgeons.
France. Service du traitement de l'information et des statistiques industrielles. Bureau des études économiques et financières.
John E. Cooper
International Technical Consultation on Veterinary Drug Registration (1983 Columbia, Md.)
John Lewis Thomas
Indonesia. Direktorat Jenderal Bina Produksi Peternakan.
United States. Congress. Senate. Committee on Labor and Human Resources.
A. C. Gerlach
Roseann B. Termini
Emily Stewart Leavitt
H. K. Lall
Soviet Union
Manitoba
Leslie Sinclair