Guyumjyan, H.P., et al. “PROTRUSIVE NATURE OF INTRUDING HYPERBAZIT MASSIVES IN THE SEVAN-AKERIAN OPHIOLITE ZONE”. Proceedings of the YSU C: Geological and Geographical Sciences, vol. 49, no. 3 (238), Dec. 2015, pp. 3-9, doi:10.46991/PYSU:C/2015.49.3.003.