TILIUTE, D. E. Full-Wave Current-Mode Precision Rectifiers Using Unity-Gain Cells. Elektronika ir Elektrotechnika, [S. l.], v. 49, n. 7, 2003. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/11103. Acesso em: 28 sep. 2020.