AT THE FACULTY OF GEOLOGY AND GEOGRAPHY OF THE INTERNATIONAL CONFERENCE DEDICATED TO THE 100th ANNIVERSARY OF YSU. Proc. YSU C: Geol. Geogr. Sci. [Internet]. 2018 Dec. 17 [cited 2026 May 7];52(3 (247):215-7. Available from: https://journals.ysu.am/proceedings-geol-geogr/article/view/vol52_no3_2018_pp215-217