Письменный Е, Терех А, Семеняко А, Рогачев В, Бурлей В. Thermal efficiency of in-line beams cross-section-ribbed pipes of the various profile. EEJET [Internet]. 2010Apr.6 [cited 2024Nov.23];2(7(44):4-8. Available from: https://journals.uran.ua/eejet/article/view/2691