S. AL-AMEEN, Ehsan. An Idea for Coupling Two Engines to Drive a Generating Head Using Epicyclic Gear Train. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 12, n. 2, p. 18–30, 2008. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1661.. Acesso em: 10 may. 2025.