Davtyan S. COMPILATION OF A LIST OF UNDERGROUND SPACES AS A STAGE OF CADASTRE OF UNDERGROUND SPACES. Proc. YSU C: Geol. Geogr. Sci. [Internet]. 2016 Apr. 11 [cited 2024 Nov. 22];50(1 (239):66-70. Available from: https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol50_no1_2016_pp066-070