PAAVLE, T.; MIN, M. Discrete-Level Broadband Excitation Signals: Binary/Ternary Chirps. Elektronika ir Elektrotechnika, [S. l.], v. 122, n. 6, p. 23-26, 2012. DOI: 10.5755/j01.eee.122.6.1815. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/1815. Acesso em: 13 jun. 2021.