Boynagryan V. DISPLAYS OF KARST AND FORMING OF UNDERGROUND EMPTINESSES IN ARMENIAN HIGHLAND. Proc. YSU C: Geol. Geogr. Sci. [Internet]. 2015 Dec. 14 [cited 2024 Nov. 22];49(3 (238):31-7. Available from: https://pub.ysu.am/index.php/proceedings-geol-geogr/article/view/vol49_no3_2015_pp031-037