HALMAI, Attila. Fragen der Lebensdauer von Axial-Magnetfeld Gleichstrom-Kleinstmotoren. Periodica Polytechnica Mechanical Engineering, [S. l.], v. 45, n. 1, p. 25–30, 2001. Disponível em: https://pp.bme.hu/me/article/view/1404. Acesso em: 19 may. 2024.