Зубенко, Денис Юрьевич. “Application of Wattmeters in Measuring Mean Indicated Pressure of Piston Internal Combustion Engines”. Eastern-European Journal of Enterprise Technologies 2, no. 9(68) (April 18, 2014): 49–53. Accessed December 25, 2024. https://journals.uran.ua/eejet/article/view/23016.