1. The occurrence and identification of bluetongue in cattle-the so-called pseudo-foot and mouth disease in South Africa;Bekker;Onderstepoort J. Veterinary Sci. Anim. Ind.,1934
2. Current aspects of bluetongue in cattle;Bowne;J. Amer. Veterinary Med. Ass.,1966
3. Bluetongue disease in cattle;Bowne;J. Amer. Veterinary Med. Ass.,1968
4. Bluetongue;Cox;Bacteriol. Rev.,1954
5. Observations on bluetongue in cattle and sheep;De Kock;Onderstepoort J. Veterinary Sci. Anim. Ind.,1939