BLONG, R.; PAIN, C. The Nature of Highland Valleys, Central Papua New Guinea. ERDKUNDE, [S. l.], v. 30, n. 3, p. 212–217, 1976. DOI: 10.3112/erdkunde.1976.03.05. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1791. Acesso em: 8 oct. 2024.