Hayroyan, S. H. “THE INFLUENCE OF SWELLING ON STABILITY OF SLOPES AND CONTRACTIONS COMPOSED OF CLAY SOILS”. Proceedings of the YSU C: Geological and Geographical Sciences 40, no. 3 (211) (October 27, 2006): 106–112. Accessed November 22, 2024. https://pub.ysu.am/index.php/proceedings-geol-geogr/article/view/vol40_no3_2006_pp106-112.