1. Theorie der aussertropischen Zyklonenbildung;Bjerknes;Meteor. Zeits.,1937
2. Extratropical Cyclones
3. On the theory of cyclones;Bjerknes;J. Meteor.,1944
4. On the existence of a polar-front zone at the 500-mb level;Bradbury;Bull. Amer. Meteor. Soc.,1953
5. The importance of vertical motion in the development of tropical revolving storms;Durst;Quart. J. R. Meteor. Soc.,1938