Nahapetyan, S.A., et al. “FEATURESOF PLACEMENT OF ORE OBJECTSIN THE TERRITORY OF VAYK”. Proceedings of the YSU C: Geological and Geographical Sciences, vol. 53, no. 1 (248), Apr. 2019, pp. 22-29, doi:10.46991/PYSU:C/2019.53.1.022.