Stepanov, D. V., S. Y. Tkachenko, and L. A. Bodnar. “Mathematical Simulation of Heat-Exchange Processes in the Fire Tube Element of Hot Water Boiler”. Visnyk of Vinnytsia Politechnical Institute, no. 2 (November 12, 2010): 76–79. Accessed July 16, 2024. https://visnyk.vntu.edu.ua/index.php/visnyk/article/view/440.