1. Boyd, M. J., Logan, M. A., Tytell, A. A.:The growth requirements of Clostridium perfringens (welchii) BP6K. J. biol. Chem. 174: 1613, 1948.
2. De Ley, J.:On the unity of bacterial ribosomes. J. gen. Microb. 34: 219, 1964.
3. Drizlikh, G. I., Gurvich, A. E.:Utilization of antibodies adsorbed to antigens fixed to an insoluble base for the specific isolation of individual proteins. (In Russian) Biokhimiya 29: 1054, 1964.
4. Ecker, R. E., Lockhart, W. R.:Relationships between initial nutrient concentration and total growth. J. Bacteriol. 82: 80, 1961.
5. Gurvich, A. E.:Isolation of pure antibodies and determination of the absolute antibody content in sera by means of antigens fixed to cellulose. (In Russian) In “Modern methods in biochemistry”, Moscow 1954.