Guyumjyan, H.P., and Sh.V. Khachatryan. “NEW FORMATION TYPE OF CARBONATITES IN THE SEVAN OPHIOLITE ZONE”. Proceedings of the YSU C: Geological and Geographical Sciences, vol. 50, no. 1 (239), Apr. 2016, pp. 3-10, doi:10.46991/PYSU:C/2016.50.1.003.