LITERATURE CITED
- Backus, M. P., J. F. Stauffer and M. J. Johnson. 1946. Penicillin yields from new mold strains. Jour. Amer. Chem. Soc. 68: 152.
- Dulaney, E. L., M. Ruger and C. Hlavac. 1949. Observations on Strepiomyces griscus. IV. Induced mutation and strain selection. Mycologia 61: 388–397.
- McDaniel, L. E. U. S. Patent 2.538,942 (January 23, 1951).
- Raper, K. B. 1946. The development of improved penicillin-producing molds. Ann. N. Y. Acad. Sci. 48: 41–56.
- Savage, G. M. 1949. Improvement in streptomycin-producing strains of Streptomyces griseus by ultraviolet and x-ray energy. Jour. Bact. 57: 429–441.
- Stanley, A. R. 1947. Improving streptomycin yields by strain selection and inoculum development. Jour. Bact. 53: 254 (abstract).