Zhuravlev, Yury, Andrey Perminov, Yury Lukyanov, Sergey Tikhonov, and Alexander Ilyin. “CONSTRUCTION OF PISTON OUTER PROFILE FOR ROTARY TYPE EXPANSION MACHINE”.
ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June 20, 2019): 257–260. Accessed April 6, 2025.
https://journals23.rta.lv/index.php/ETR/article/view/4059.