1. Bangham, D. H., Nature 157:733 (1946).
2. Observations on the Incidence of Supercooled Water in Expansion Chambers and on Cooled Solid Surfaces
3. Cwilong, B. M., Proceedings of the Royal Society of London A: 137 190 (1947).
4. Frank, F. C., Nature 157:267 (1946).
5. LaMer V. K. Influence of Ultrasonic Radiation Upon the Phase Transition in the Formation of Colloidal Sulfur Paper presented before the National Academy of Sciences November 18 (1947).