1. Briggs, A.P., Koechig, I., Doisy, E.A., and Weber, C.J., 1924, J. Biol. Chem. 58: 721–730.
2. Tosteson, D.C., 1964, in The Cellular Functions of Membrane Transport (J.F. Hoffman, ed.), pp. 3–22, Prentice-Hall, Englewood Cliffs, N.J.
3. Katz, B., 1966, Nerve, Muscle, and Synapse, McGraw-Hill, New York.
4. Ledbetter, M.L.S., and Lubin, M., 1977, Exp. Cell Res. 105: 223–236.
5. Schwartz, A., Lindemayer, G.E., and Allen, J.C., 1972, Curr. Top. Membr. Transp. 3: 1–82.