SEMENIČ, N.; SARJAŠ, A.; CHOWDHURY, A.; SVEČKO, R. Optimal Design of a Delayed Feedback. Elektronika ir Elektrotechnika, [S. l.], v. 20, n. 8, p. 3-8, 2014. DOI: 10.5755/j01.eee.20.8.5917. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/5917. Acesso em: 7 oct. 2022.