S., Isroilov. “The Specifics of Compaction of Backfill Soils in Cramped Conditions”. European Journal of Life Safety and Stability (2660-9630) (December 31, 2021): 185-186. Accessed October 5, 2025. http://www.ejlss.indexedresearch.org/index.php/ejlss/article/view/387.