RIBEIRO, O. Die Eigenart Goas. ERDKUNDE, [S. l.], v. 17, n. 1/2, p. 39–47, 1963. DOI: 10.3112/erdkunde.1963.01.03. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1403. Acesso em: 6 jan. 2025.