Klapchuk, V., Makaruk, I., Novosiolov, O. and Polyova, L. (2020) “Exploration of Ozokerite Deposits on the Territory of Austrian Galicia: Short Historical Survey”, Skhid, (6(170), pp. 13–20. doi: 10.21847/1728-9343.2020.6(170).218799.