1. Anderson, J. S., J. Chem. Soc., 1492 (1937).
2. Stokes, R. H., J. Amer. Chem. Soc., 72, 763 (1950).
3. Glasstone, S., Laidler, K. J., and Eyring, H., “Theory of Rate Processes”, 198, 521f. (New York, 1941).
4. Parks, G. S., and Huffman, H. M., “The Free Energies of Some Organic Compounds”, 109 (New York, 1932).
5. Fairclough, R. A., and Hinshelwood, C. N., J. Chem. Soc., 538, 1573 (1937). Gregg, R. A., and Mayo, F. R., J. Amer. Chem. Soc., 70, 1284 (1948).