1. M. Lubin, Nature213, 451 (1967).
2. G. Moroff and E. E. Gordin, Biochim. biophys. Acta325, 406 (1973).
3. M. Lubin, in: The cellular functions of membrane transport, p. 193. Ed. J. F. Hoffman. Prentice-Hall, Englewood Cliffs, N.J., 1964.
4. M. R. Quastel, D. S. Dow and J. G. Kaplan, in: Proc of the 5th Leucocyte Culture Conf., p. 97. Ed. J. E. Harris. Academic Press, New York-London 1970.
5. S. G. Schultz and P. F. Curran, Physiol. Rev.50, 637 (1970).