ŠUŠTERŠIČ, F. Tony Waltham, Fred G. Bell, Martin G. Culshaw: Sinkholes and Subsidence: Karst and Cavernous Rocks in Engineering and Construction. Acta Carsologica, Ljubljana, Slovenija, v. 35, n. 1, 2006. DOI: 10.3986/ac.v35i1.551. Disponível em: https://ojs.zrc-sazu.si/carsologica/article/view/551. Acesso em: 25 apr. 2024.