RAJCHERT, R.; NOWICZ, R. New Inductive Current Transformers Provided for to Work at a Frequency of up to 300 kHz. Elektronika ir Elektrotechnika, [S. l.], v. 64, n. 8, p. 17-20, 2005. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10529. Acesso em: 25 sep. 2022.