SEDLAK, Vladimir. MATHEMATICAL DETERMINATION OF SUBSIDENCE BREAK-POINTS IN ABANDONED OLD UNDERMINED REGIONS IN GIS SPACE FOR PURPOSES OF PEOPLE AND PROPERTIES PROTECTION. European Scientific Journal, ESJ, [S. l.], v. 9, n. 18, 2013. DOI: 10.19044/esj.2013.v9n18p%p. Disponível em: https://test.eujournal.org/index.php/esj/article/view/1176. Acesso em: 19 apr. 2025.