Тамаргазін, О.А., and Н.Г. Науменко. “Efficiency of Gas Pipeline Distribution Systems”. Proceedings of National Aviation University (archive) 36, no. 3 (March 1, 2008): 24–27. Accessed April 16, 2026. http://jrnl.kai.edu.ua/index.php/visnik/article/view/1584.