LÖFFLER, E. Piping and pseudokarst features in the tropical lowlands of New Guinea. ERDKUNDE, [S. l.], v. 28, n. 1, p. 13–18, 1974. DOI: 10.3112/erdkunde.1974.01.03. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1708. Acesso em: 8 oct. 2024.