1. Ringer, S., 1883, J. Physiol. (Lond.) 4: 29–42.
2. Anghileri, L.F., and Tuffet-Anghileri, A.M. (eds.), 1982, The Role of Calcium in Biological Systems, Vols. I-III, CRC Press, Boca Raton, Florida.
3. Triggle, D.J., 1980, in Membrane Structure and Functions (E.E. Bittar, ed.), Vol. 3, pp. 1–58, Wiley, New York.
4. Harold, F.M., 1982, Curr. Top. Membr. Transport. 16: 485–516.
5. Siegel, F.L., Carafoli, E., Kretsinger, R.H., MacLennan, D.H., and Wasserman, R.H. (eds.), 1980, Calcium Binding Proteins: Structure and Function, Elsevier—North-Holland, New York.