1. Coleman, G., and Elliott, W. H., Biochem. J., 83, 256 (1962).
2. Pollock, M. R., The Bacteria, edit. by Gunsalus, I. C., and Stanier, R. Y., 4, 121 (Academic Press Inc., New York, 1962).
3. Nishimura, S., and Nomura, M., Biochim. Biophys. Acta, 30, 430 (1958).
4. Nomura, M., Hosoda, J., Yoshikawa, H., and Nishimura, S., Proc. Intern. Symp. Enzyme Chemistry, Tokyo and Kyoto, 359 (Pergamon Press, Ltd., London, 1957).
5. Goldberg, I. H., Rabinowitz, M., and Reich, E., Proc. U.S. Nat. Acad. Sci., 48, 2094 (1962).