SCHIFFERS, H. Neue Literatur aus Afrika. ERDKUNDE, [S. l.], v. 16, n. 2, p. 132–146, 1962. DOI: 10.3112/erdkunde.1962.02.06. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1383. Acesso em: 4 dec. 2024.