Institution: | Institute of Geophysics, Polish Academy of Sciences, Ks. Janusza 64, 01-452;Warsaw, Poland. E-mail: National Taras Shevchenko University of Kyiv, Geological Faculty, 90;Vasylkovska St., 03022 Kyiv, Ukraine Institute of Geography, National Academy of Sciences Ukraine 44;Volodymyrska St. 01034 Kyiv, Ukraine |