1. STUDIES ON VIRULENCE
2. Apparatus for obtaining a continuous bacterial growth
3. In Continuous Cultivation of Microorganisms. A Symposium (Ed.: ), Publishing House of the Czechoslovak Academy of Sciences, Prague, Czechoslovakia, 1958; 45.
4. In Recent Progress in Microbiology, VII International Congress for Microbiology (Ed.: ), Almquist and Wiksell, Stockholm, 1958; 381.