1. Cunningham, L., Catlin, B. W., and Privat de Garilhe, M., J. Amer. Chem. Soc., 78, 4642 (1956).
2. Lehman, I. R., J. Biol. Chem., 235, 1479 (1960).
3. Healy, I. W., Stollar, D., and Levine, L., in Methods in Enzymology, edit. by Colowick, S. P., and Kaplan, N. O., 6, 49 (Academic Press, New York and London, 1964).
4. Burdon, M. G., Smellie, R. M. S., and Davidson, J. N., Biochim. Biophys. Acta, 91, 46 (1964).
5. Nikolskaya, I. I., Shalina, N. M., and Tikhonenko, T. I., Biochim. Biophys. Acta, 91, 354 (1964).