Kaluzhsky, D., Mekhtiyev, A., Neshina, Y., Alkina, A., & Sarsikeyev, Y. (2022). "THERMAL POWER PLANT BASED ON A FREE PISTON ENGINE AND A RECIPROCATING GENERATOR". Eurasian Physical Technical Journal, 19(1(39), 40–49. https://doi.org/10.31489/2022No1/40-49