RADWAŃSKI, Andrzej B. The oil and ozokerite mine in Boryslav and historical monuments of petroleum and salt industries in the vicinity of Boryslav (Ukrainian Fore-Carpathian region). Geotourism/Geoturystyka, [S. l.], n. 18, p. 35, DOI: 10.7494/geotour.2009.18.35. Disponível em: https://journals.agh.edu.pl/geotour/article/view/967. Acesso em: 4 apr. 2025.