Determination of initial permeability in soft ferrites with the modified Rowland’s ring method. Superficies y Vacío, [S. l.], v. 25, n. 2, p. 122–127, 2012. Disponível em: https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/216. Acesso em: 24 apr. 2025.