1. V.A. Anan'ev and V.R. Obukhova, Zhur. Mikrobiol. Epidemiol. i Immunobiol. 11, 48–56 (1955).
2. V.V. Gorodilova, Biull Ekspti. Biol. i Med. 31 6, 460–465 (1951).
3. L.A. Zil'ber, N.V. Nartsisov, T.L. Rivkind and Z.L. Baidakova, Vestnik Akad. Med. Nauk SSSR 1–3, 36–38 (1948).
4. L.A. Zil'ber and V.A. Parnes, Doklady Akad. Nauk SSSR 69, 2, 257–260 (1949).
5. V.K. Kozlov, Biull. Eksptl. Biol. i Med. 37, 5, 55–57 (1954).