R. S. Minasyan and V. P. Vardanyan, “PALEORELIEF AND ESTIMATION OF GROUND WATER FLOW OF THE SELAVMASTARA WATERSHED (SOUTH-WESTERN AND SOUTHERN VERSANTS OF ARAGATS MASSIF)”, Proc. YSU C: Geol. Geogr. Sci., vol. 42, no. 2 (216), pp. 133–136, May 2008.