Zonal harmonic analysis of the northern hemisphere geostrophic wind field; I.A.M.A.P. presidential address, Helsinki, 27 July 1960. (International Union of Geodesy and Geophysics. Monograph, no. 8)
Zonal harmonic analysis of the northern hemisphere geostrophic wind field; I.A.M.A.P. presidential address, Helsinki, 27 July 1960.
(International Union of Geodesy and Geophysics. Monograph, no. 8)