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3. L. R. Arrago and M. E. Shvets, “On the Theory of Formation and Evolution of Nonconvective Clouds,” Trudy GGO (Trans. Main Geophys. Observatory), Issue 121 (1961) [in Russian].
4. A. M. Borovikov, “Description of Cloud Layers over Moscow from the Aircraft Data,” Trudy TsAO (Trans. Centr. Aerolog. Observatory), Issue 2 (1947) [in Russian].
5. M. I. Budyko and M. I. Yudin, “Heat Exchange between the Earth’s Surface and the Atmosphere and Equilibrium Temperature Gradient,” Meteorol. Gidrol., No. 1 (1948) [in Russian].