1. Andrewes, C. H., W. Smith and C. H. Stuart-Harris: Spec. Kep. Ser. med. Res. Counc., No 228. London 1938.
2. Andrus, E.C., D. W. Bronk, G. A. Cardent, M. C Winternitz, J. S Lockwood, J. T. Wearn and C. S Keefer: Influenza. Adv. military Med. 1, 17.
3. Beard, J. W.: The chemical, physical and morphological properties of animal viruses. Physiologic. Rev. 28, 349 (1948).
4. Beveridge, W. I. B., and F. M. Burnet: Cultivation of viruses and Rickettsiae in the chick embryo. Med. Res. Counc, Spec. Rep. Ser., No 256. London 1946.
5. Bieling, R., u. H. Heinlein: Viruskrankheiten des Menschen. Naturforschung und Medizin in Deutschland 1939–1946. Wiesbaden: Dieterich 1947.