Morphology, structure and magnetic properties of spheres produced by Ar-He plasma. Superficies y Vacío, [S. l.], v. 25, n. 2, p. 70–74, 2012. Disponível em: https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/206. Acesso em: 12 apr. 2025.