GERSTENHAUER, A. Karte: Internationaler Karstatlas, Blatt 3 Nord-Puerto Rico. ERDKUNDE, [S. l.], v. 18, n. 2, p. 148–148, 1964. DOI: 10.3112/erdkunde.1964.02.13. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1442. Acesso em: 5 dec. 2024.