Bondar, K., Sachko, A., Churubrov, M., & Mamyshev, I. (2018). New data on gas composition of the air in gypsum caves from Podillya and Bukovyna. Visnyk of Taras Shevchenko National University of Kyiv. Geology, 2(81), 44-48. https://doi.org/10.17721/1728-2713.81.07