SARATSIS, G.; STAVROPOULOU, M. São Paulo cavern-shaft collapse viewed as a trap-door problem. Bulletin of the Geological Society of Greece, [S. l.], v. 47, n. 4, p. 1864–1871, 2013. DOI: 10.12681/bgsg.11066. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/geosociety/article/view/11066. Acesso em: 8 jan. 2025.