1. Beckel, A.C., and Cartter, J.L., Cereal Chem.,20, 362–368 (1943).
2. Brown, O.A., Stone, R.B., Jr., and Andrews, Henry, Agr. Eng.,38, 666–669 (1957).
3. Personal communication.
4. Shibasaki, K., and Hesseltine, C.W., Bact. Proceedings, 49–50 (1960).
5. Shibasaki, K., and Hesseltine, C.W., “Developments in Industrial Microbiology”, Vol. 2. Plenum Press, New York.