Górski, K., and R. L. Ignatowicz. “EFFORT OF STEEL PIPE JACKING IN TERMS OF IMPERFECTION PIPES AND HETEROGENEITY OF GROUND”. Science and Transport Progress , no. 3(63) (August 16, 2016): 171–180. Accessed May 3, 2024. https://stp.ust.edu.ua/article/view/74764.