Simulation of the Integrated Signal Folding Circuit with P–Spice. Elektronika ir Elektrotechnika, [S. l.], v. 73, n. 1, p. 37–40, 2007. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10327.. Acesso em: 5 dec. 2025.