Koshliakov, O., Dyniak, O., & Koshliakova, I. (2017). Problems of determination of groundwater body at cross-border regions of Ukraine according to EU water legislation. Visnyk of Taras Shevchenko National University of Kyiv. Geology, 4(79), 67-70. https://doi.org/10.17721/1728-2713.79.10