M. Jensen., Kr. “Sverre Petterssen: Weather Analysis and Forecasting. Vol. I, Motion and Motion Systems. 2 Udg. 1956. McGraw-Hill Book Company 1956. $ 8.50”. Geografisk Tidsskrift 56 (januar 1, 1957). Set december 5, 2025. https://tidsskrift.dk/geografisktidsskrift/article/view/46334.