HELKIÆR JENSEN, R. Ronald Peel, Michael Chisholm & Peter Haggett (eds.): Processes in physical and human geography. Geografisk Tidsskrift - Danish Journal of Geography, [S. l.], v. 76, 1977. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/45869. Acesso em: 27 sep. 2024.