1. Cockerell, R. S., Harris, E. J., and Pressman, B. C., Nature, 215, 1487 (1967).
2. Garrahan, P. J., and Glynn, I. M., J. Physiol., 192, 237 (1967).
3. Lev, A. A., and Buzhinsky, E. P., Cytology, 9, 102 (1967).
4. Mueller, P., and Rudin, D. O., Biochem. Biophys. Res. Commun., 26, 398 (1967).
5. Chappell, J. B., and Haarhoff, K. N., in Biochemistry of Mitochondria (edit. by Slater, E. C., Kaniuga, Z., and Wojtczak, L.), 75 (Academic Press, London and New York, 1967).