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 November 17, 2024. http://webmail.ijrdo.org/index.php/mce/article/view/1055.