Z-Copy Controlled-Gain Voltage Differencing Current Conveyor: Advanced Possibilities in Direct Electronic Control of First-Order Filter. Elektronika ir Elektrotechnika, [S. l.], v. 20, n. 6, p. 77–83, 2014. DOI: 10.5755/j01.eee.20.6.7272. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/7272.. Acesso em: 5 dec. 2025.