Hayroyan, H.S. “PHYSICAL AND GEOLOGICAL MODELS OF SLIDING SLOPES AND METHODS OF DETERMINING THE SHEAR STRENGTH OF SOILS”. Proceedings of the YSU C: Geological and Geographical Sciences 50, no. 2 (240) (August 15, 2016): 25–34. Accessed November 23, 2024. https://journals.ysu.am/index.php/proceedings-geol-geogr/article/view/vol50_no2_2016_pp025-034.