Guyumjyan, H.P. “ORIGIN OF TOURMALINE GRANITOIDS OF MEGHRI PLUTON’S VANK INTRUSIVE MASSIVE”. Proceedings of the YSU C: Geological and Geographical Sciences 49, no. 2 (237) (August 10, 2015): 9–15. Accessed May 16, 2024. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol49_no2_2015_pp009-015.