1. Bruce-White, A System of Bacteriol.4. London 1929.
2. Hayashi, Z. Immun.-forschg52, 523 (1927).
3. Kauffmann, Z. Hyg.110, 161 (1929).
4. Perry u.Tidy, Spec. Rep. Ser. Med. Res. Counc. London1919, 24.
5. Savage u.Bruce-White, Spec. Rep. Ser. Med. Res. Counc. London 91 u. 103.