CRAVEN, S. A. Postojnska Jama in Slovenia, the Südbahn and the Visit of John Charles Molteno: Their Influence on the Development of Railways in South Africa. Acta Carsologica, Ljubljana, Slovenija, v. 35, n. 1, 2006. DOI: 10.3986/ac.v35i1.253. Disponível em: https://ojs.zrc-sazu.si/carsologica/article/view/253. Acesso em: 27 apr. 2024.