1. Dubault, A., C. Casagrande, M. Veyssé, J. Phys. Chem., to be published.
2. Dubault, A., C. Casagrande, Private communication.
3. Harkins, W. D., H. F. Jordan, J. Am. Chem. Soc.52, 1751 (1930).
4. Menger, F. M., S. Wrenn, J. Phys. Chem.78, 1387 (1974).
5. Davies, J. T., E. K. Rideal, Interfacial phenomena, p. 155 (New York 1963).