AHLMANN, H. W. Fridtjof Nansen. ERDKUNDE, [S. l.], v. 16, n. 1, p. 3–10, 1962. DOI: 10.3112/erdkunde.1962.01.01. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1364. Acesso em: 11 dec. 2024.