A. NOWICKI, J. WÓJCIK, and T. KUJAWSKA, “Nonlinearly coded signals for harmonic imaging”, Arch. Acoust., vol. 34, no. 1, pp. 63–74, Jan. 2009, Accessed: Jan. 17, 2026. [Online]. Available: https://acoustics.ippt.gov.pl/index.php/aa/article/view/567