Klapchuk, Volodymyr, Igor Makaruk, Oleksandr Novosiolov, and Lesia Polyova. 2020. “Exploration of Ozokerite Deposits on the Territory of Austrian Galicia: Short Historical Survey”. Skhid, no. 6(170) (December):13-20. https://doi.org/10.21847/1728-9343.2020.6(170).218799.