RUUBEN, T.; DERKATS, J. Some Methods of Signal Processing and Beamforming in Hydrographic Applications. Elektronika ir Elektrotechnika, [S. l.], v. 86, n. 6, p. 27–32, 2008. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/11178.. Acesso em: 7 feb. 2026.