R. Minasyan, V. Vardanyan, and O. Avetisyan, “STUDY OF HYDROGEOLOGICAL CONDITIONS OF URTSADZOR–ORAVAN LANDSLIDE AREA BY ELECTRO EXPLORATION METHOD”, Proc. YSU C: Geol. Geogr. Sci., vol. 48, no. 2 (234), pp. 23–26, Aug. 2014.