1. O. Stasiw, Z. Phys.,130, 39 (1951).
2. K. R. Dorfner, Ann. der Phys.,16, 331 (1955).
3. V. L. Zelikman and S. M. Levi, Fundamentals of the Preparation and Wetting of Photographic Emulsions [in Russian], Izd. Iskusstvo, Moscow (1960).
4. V. M. Belous and É. R. Ii'mas, Zh. Prikl. Spektr.,9, 698 (1968).
5. K. Vacek, Czech. J. Phys.,18, 1150 (1968).