Søgaard, Henrik. “John E. Hobbs: APPLIED CLIMATOLOGY A Study of Atmospheric Resources. Boulder, Colo. 1980, 218 s., ill., 26 Cm, £ 10.-. Dawson Publishing, Folkestone”. Geografisk Tidsskrift - Danish Journal of Geography 81 (January 1, 1981). Accessed December 6, 2025. https://tidsskrift.dk/geografisktidsskrift/article/view/45151.