JUHARYAN, A.K. ANALITICAL DATABASE OF ARMENIAN OBSIDIAN SOURCES OBTAINED BY PORTABLE X-RAY FLUORESCENCE. Proceedings of the YSU C: Geological and Geographical Sciences, Yerevan, Armenia, v. 51, n. 3 (244), p. 159–165, 2017. DOI: 10.46991/PYSU:C/2017.51.3.159. Disponível em: https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol51_no3_2017_pp159-165. Acesso em: 23 nov. 2024.