1. Barrett., E. W., and Suomi., V. E., “Preliminary Report on Temperature Measurement by Sonic Means.” J. Meteor., 6: 273–276 (1949).
2. Blanchar., D. C., The Use of Sooted Screens for Determining Raindrop Size and Distributio.. General Electric Res. Lab. Occasional Rep. No. 16, Project Cirrus, Contract No. W-36–039-sc-38141, Schenectady, N. Y., Nov. 1949.
3. Brewe., A. W., Cwilon., B., and Dobso., G. M. B., “Measurement of Absolute Humidity in Extremely Dry Air.” Proc. phys. Soc. Lond., 60: 52–70 (1948).
4. Broc., G. W., “Liquid-Water Content and Droplet Size in Clouds of the Atmosphere.” Trans. Amer. Soc. mech. Engrs., 69: 769–770 (1947).
5. Byer., H. R., and Braha., R. R., Jr., The Thunderstor.. Washington, D. C., Supt. of Documents, 1949.