BARTKEVIČIUS, V.; DOSINAS, A.; DAUNORAS, J. Differential Method for Indication Sensors. Elektronika ir Elektrotechnika, [S. l.], v. 64, n. 8, p. 51-54, 2005. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10510. Acesso em: 27 sep. 2022.