1. Gassner: Zbl. Bakter. I Orig.80, 219 (1917).
2. Hoeden, van der: Zbl. Bakter. I Orig.104, 477 (1927).
3. Ivanovics: Zbl. Bakter. I Orig.118, 229 (1930); Zbl. Bakter. I Orig.118, 101 (1930).
4. Kanie: Tokyo-Iji-Shinshi1931, 2832; Nihon-Densenbyogakkai-Zasshi6, 1070 (1932).
5. Kauffmann: Zbl. Bakter. I Orig.119, 148 (1930).