LI, Z.; WANG, Y. Finite Element Analysis and Structural Optimization of a Permanent Magnet Spherical Actuator. Elektronika ir Elektrotechnika, [S. l.], v. 114, n. 8, p. 67-72, 2011. DOI: 10.5755/j01.eee.114.8.699. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/699. Acesso em: 29 mar. 2024.