Vardanyan, V.P. “REVEALING OF UNDERGROUND WATER FLOWS IN VOLCANIC AREAS USING AEROSPACE SHOOTING RESULTS”. Proceedings of the YSU C: Geological and Geographical Sciences 51, no. 2 (243) (August 14, 2017): 75–80. Accessed November 21, 2024. https://pub.ysu.am/index.php/proceedings-geol-geogr/article/view/vol51_no2_2017_pp075-080.