Демедюк, Артем Юрьевич. “Excited State Parameters As Evaluation of Rocket Engines Capacity by a Factor of High-Frequency Stability”. Eastern-European Journal of Enterprise Technologies 1, no. 7(61) (February 5, 2013): 42–45. Accessed April 23, 2025. https://journals.uran.ua/eejet/article/view/9324.