IVÁNYI, Amália. ELLIPTICAL POLARIZATION IN ROTATIONAL MAGNETIC FIELD Periodica Polytechnica Electrical Engineering, [S. l.], v. 38, n. 4, p. 335–351, 1994. Disponível em: https://pp.bme.hu/ee/article/view/4473. Acesso em: 17 jun. 2025.