Minasyan, R.S., et al. “STUDY OF HYDROGEOLOGICAL CONDITIONS OF URTSADZOR–ORAVAN LANDSLIDE AREA BY ELECTRO EXPLORATION METHOD”. Proceedings of the YSU C: Geological and Geographical Sciences, vol. 48, no. 2 (234), Aug. 2014, pp. 23-26, doi:10.46991/PYSU:C/2014.48.2.023.