Arshakyan, M. K. “RARE METALS IN HYDROMINERAL RESOURCES OF ARMENIA AND PERSPECTIVES OF THEIR APPLICATION IN INDUSTRY”. Proceedings of the YSU C: Geological and Geographical Sciences 39, no. 2 (207) (June 10, 2005): 123–128. Accessed November 23, 2024. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol39_no2_2005_pp123-128.