1.
Aloyan PG, Guyumjyan HP. ALUMINIC-RARE-EARTH-PRECIOUS METALS FORMATION IN NEPHELINE SYENITES OF ARMENIA. Proc. YSU C: Geol. Geogr. Sci. [Internet]. 2011 Jul. 24 [cited 2024 Jul. 22];45(2 (225):10-6. Available from: https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol45_no2_2011_pp010-016