WEIGT, E. Das Erdnuß-Projekt in Ostafrika. ERDKUNDE, [S. l.], v. 2, n. 2, p. 339–340, 1948. DOI: 10.3112/erdkunde.1948.02.16. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/903. Acesso em: 8 oct. 2024.