Filip, Stefan-Mihai, Eugen Avrigean, and Adrian-Marius Pascu. “Damage to Natural Gas Distribution Steel Pipelines Caused by Rigid Bodies Resulting from the Excavation of Laying Trenches”. Engineering, Technology & Applied Science Research 14, no. 1 (February 8, 2024): 12984–12987. Accessed June 30, 2024. https://etasr.com/index.php/ETASR/article/view/6716.