1. Oster, G. J. gen. Physiol. 33, 445–473 (1950).
2. Kreibig, U. & Wetter, C. Z. Naturforsch. 35C, 750–762 (1980).
3. Fraden, S., Hurd, A. J., Meyer, R. B., Cahoon, M. & Caspar, D. L. D. J. Phys. (Paris), Colloq. 46 C3, 85–113 (1985).
4. Maeda, Y. & Hachisu, S. Colloids and Interfaces 6, 1–16 (1983).
5. Maeda, Y. & Hachisu, S. Colloids and Interfaces 7, 357–360 (1984).