S. Nahapetyan, R. Movsesyan, and A. Gyurjyan, “THE EXPERIENCE OF MAPPING LINEAMENTS AND RING STRUCTURES USING GIS: (on the example of Eastern Vayk)”, Proc. YSU C: Geol. Geogr. Sci., vol. 52, no. 3 (247), pp. 167–173, Dec. 2018.