Hayroyan, S.H., and H.S. Hayroyan. “ISSUES ON ASSESSMENT OF SEISMIC STABILITY OF SLOPES”. Proceedings of the YSU C: Geological and Geographical Sciences, vol. 49, no. 1 (236), Apr. 2015, pp. 11-16, doi:10.46991/PYSU:C/2015.49.1.011.