KRANJC, A. Ferdo Lupša (1882–1945) – one of the first Western researchers of caves in Thailand. Acta Carsologica, Ljubljana, Slovenija, v. 50, n. 1, 2021. DOI: 10.3986/ac.v50i1.10084. Disponível em: https://ojs.zrc-sazu.si/carsologica/article/view/10084. Acesso em: 23 apr. 2024.