Vardanyan V. DISTRIBUTION OF UNDERGROUND DRAIN OF CATCHMENT BASIN OF SEVAN LAKE: (according to the data of electrosounding and drilling). Proc. YSU C: Geol. Geogr. Sci. [Internet]. 2018 Aug. 10 [cited 2024 Nov. 21];52(2 (246):79-87. Available from: https://pub.ysu.am/index.php/proceedings-geol-geogr/article/view/vol52_no2_2018_pp79-87