PREUSS, H. Johann August Zeune der Hauptvertreter der reinen Geographie. ERDKUNDE, [S. l.], v. 12, n. 4, p. 277–284, 1958. DOI: 10.3112/erdkunde.1958.04.04. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1251. Acesso em: 8 oct. 2024.