1. Artificial Stimulation of Precipitation. Council for Scientific and Industrial Research, Division of Meteorology. Pretoria, Un. of South Africa, 1948.
2. Bergeron, T., “On the Physics of Cloud and Precipitation.” P. V. Météor. Un. géod. géophys. int., Pt. II, pp. 156–178 (1935).
3. Bergeron, T., “The Problem of Artificial Control of Rainfall on the Globe. Part II, The Coastal Orographic Maxima of Precipitation in Autumn and Winter.” Tellus, Vol. 1, No. 3, pp. 15–32 (1949).
4. Dorsey, N. E., “The Freezing of Supercooled Water.” Trans. Amer. phil. Soc., Vol. 38, Pt. 3, pp. 247–328 (1948).
5. Findeisen, W., “Die kolloidmeteorologischen Vorgänge bei der Niederschlagsbildung.” Meteor. Z., 55:121–133 (1938).