Bilham 1938 Climate of the British Isles. Brunt 1939 Physical and dynamical meteorology, 2nd ed. Carruthers 1943 Quart. J.R. Met. Soc. 69, 289. Ertel 1933 Met. Z. 50, 386. Goldstein 1938 Modem developments in fluid dynamics. Sutton, O. G. 1932 Proc. Roy. Soc. A, 135, 668. Sutton, O. G. 1934 Proc. Roy. Soc. A, 146, 701. Sutton, W. G. L. 1943 Proc. Roy. Soc. A, 182, 48. Sverdrup 1936 Geofys. Publ...