Dariusz Stanisław Sobolewski, Michał Amadeusz Sobolewski, Marek Juliusz Sobolewski, Joanna Paulina Sobolewska and Natalia Julia Sobolewska (2020) “New Generations of Rocket Engines”, JOURNAL OF ADVANCES IN PHYSICS, 17, pp. 322–346. doi: 10.24297/jap.v17i.8747.