1. Arakawa, A. (1960) : The variation of general circulation in the barotropic atmosphere.Journ. Met. Soc. Japan, 39, No. 2, 49-59.
2. Baer, F. (1958) : The extended numerical integration of a simple barotropic model. Part II.Results. Tech. Rep. No. 3., Depart. Met. the University of Chicago.
3. Bolin, B. (1955) : Numerical forecasting with the barotropic model. Tellus, 7, 27-49.Burger, A.P. (1958) : Scale consideration of planetary motions of the atmosphere. Tellus, 10, No.2, 195-206.
4. Charney, J.G. (1958) On the general circulation of the atmosphere. The atmosphere and the sea in motion. Rossby Memorial Volume, 178-193.
5. fjørtoft, R. (1950) : Application of integral theorems in deriving criteria of stability for laminar flows and for the baroclinic circular vortex. Geofys.Publ., 17, No. 6.