KREIDL, M.; HOUFEK, P. Reducing Ultrasonic Signal Noise by Algorithms based on Wavelet Thresholding. Acta Polytechnica, Prague, Czech Republic, v. 42, n. 2, 2002. DOI: 10.14311/336. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/336. Acesso em: 1 feb. 2025.