BONDARIEV, A.; MAKSYMIV, I. Comparative Analysis and Ways of Improvement of Noise Immunity of Demodulation of OQPSK Signals. Elektronika ir Elektrotechnika, [S. l.], v. 105, n. 9, p. 81-84, 2010. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/9183. Acesso em: 6 dec. 2021.