1. Baker, E. E. andMrak, E. M. 1938. J. Bact.36, 317.
2. Lodder, J. andKreger-van Rij, N. J. W. 1952. The Yeasts. Amsterdam.
3. Mrak, E. M. andBaker, E. E. 1940. Third International Congress for Microbiology, New York, Sept. 1939, Report of Proceedings, Baltimore, p. 707.
4. Wickerham, L. J. 1951. Tech. Bull. No. 1029 U.S. Dept. Agric. Washington, D.C.
5. Wickerham, L. J. Private Communication, 1955.