1. Determination of the field of vertical motion in the atmosphere;Anonymous,1945
2. La circulation atmosphlrique dans les latitudes soustropicales;Bjerknes;Scientia,1935
3. Brunt, D., , Physical and dynamical meteorology, Cambridge, 1939,
4. Über den Energieverbrauch der Atmosphäre;Sverdrup;Veröff. Geophys. Inst., Leipzig, ser. 2,1918