KÉZDI, Á. SURFACE SUBSIDENCE DUE TO OPEN-PIT COAL MINING. Periodica Polytechnica Civil Engineering, [S. l.], v. 23, n. 1, p. 3–19, 1979. Disponível em: https://pp.bme.hu/ci/article/view/4121. Acesso em: 13 may. 2024.