1. Astbury, W. T., Exp. Cell Res., Supp. 1, 234 (1949).
2. Heilbrunn, L. V., The Dynamics of Living Protoplasma (Academic Press, New York, 1956).
3. Bendall, J. R., Nature, 181, 1188 (1958).
4. Lorand, L., Molnar, J., and Moos, C., Conf. Chemistry of Muscular Contraction (Igaku Shoin, Tokyo, 1957).
5. Kahn, A. J., and Sandow, A., Science, 112, 647 (1950).