1. Antimicrob. Agents Ann.;G. W. Camiener,1960
2. Katz, E., Weissbach, H.:The biosynthesis of the actinomycins and its relationship to protein synthesis. In: Biogenesis of Antibiotic Substances, Academia Prague, p. 195, 1965.
3. El-Marsafy, M. K., Řeháček, Z., Abbdel-Gawand, Z.:Electrochromatography of amino acid mixtures in fermentation liquors. Fol. microbiol. 8: 362, 1963.
4. Matchett, W. H., DeMoss, J. A.:Physiological channeling of tryptophan in Neurospora crassa. Biochim. biophys. Acta 86: 91, 1964.
5. Pridham, T. G., Anderson, P., Folye, C., Lindenfelser, L. A., Hesseltine, C. W., Benedict, R. G.:A selection of media for maintenance and taxonomic study of streptomycetes. Antibiotics Ann. 1956/57, p. 947, 1956/1957.