[3]
Farkas Elek (szerk.):
Proceedings of the 3. Congress of the Hungarian Association of Microbiologists. Budapest, 3-5. Oct. 1961
Budapest, 1962
[4]
Backhausz R. (szerk.):
Proceedings of the IV. Congress of the Hungarian Association of Microbiologists. Budapest, 30. Sept. - 3. Oct. 1964.
Budapest, 1964