MANUKYAN, S.S. GEOPHYSICAL METHODS APPLICATION AT THE INVESTIGATION OF HYDROTECHNICAL TUNNELS TRACES IN MOUNTAIN-FOLDED AREAS. Proceedings of the YSU C: Geological and Geographical Sciences, Yerevan, Armenia, v. 51, n. 2 (243), p. 81–87, 2017. DOI: 10.46991/PYSU:C/2017.51.2.081. Disponível em: https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol51_no2_2017_pp081-086. Acesso em: 17 may. 2024.