ENGELMANN, G. Carl Ritters Sechs Karten von Europa. ERDKUNDE, [S. l.], v. 20, n. 2, p. 104–110, 1966. DOI: 10.3112/erdkunde.1966.02.03. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1492. Acesso em: 8 oct. 2024.