JUDEK, S.; JARZEBOWICZ, L. Wavelet Transform-Based Approach to Defect Identification in Railway Carbon Contact Strips. Elektronika ir Elektrotechnika, [S. l.], v. 21, n. 6, p. 29-33, 2015. DOI: 10.5755/j01.eee.21.6.13755. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/13755. Acesso em: 8 dec. 2021.