W. Kiełczynski, S.O. Kishka, M. P. L. S. N. T. M. S. (2018) “Study of the influence of thermal factors on the welding process of polyethylene gas pipelines”, JOURNAL OF HYDROCARBON POWER ENGINEERING, 4(2), pp. 89–92. Available at: https://ogpe.nung.edu.ua/index.php/jhpe/article/view/69 (Accessed: 27 November 2024).