DZIERŻANOWSKI, W.; MIEDZIŃSKI, B.; OKRASZEWSKI, Z. Directional Relay with a Hall Sensor for Mine MV Feeders with no Effective Earthing. Elektronika ir Elektrotechnika, [S. l.], v. 65, n. 1, p. 25-27, 2006. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10548. Acesso em: 27 sep. 2022.