Constant, Mihaela, Nicolae Băran, Beatrice Tănase, and Evelina Donisan. “A New Type of Rotating Working Machine With One Leader and One Complementary Rotor”. IJRDO - Journal of Mechanical And Civil Engineering 1, no. 6 (June 30, 2015): 175-181. Accessed March 12, 2026. https://ijrdomce.com/article/view/1055.