BILINSKIS, I.; SUDARS, K. Digital Representation of Analog Signals by Timed Sequences of Events. Elektronika ir Elektrotechnika, [S. l.], v. 83, n. 3, p. 89-92, 2008. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/11085. Acesso em: 21 sep. 2020.