PROBLEMS OF SOFTWARE DETECTION OF PERIODIC FEATURES IN A TIME SERIES FOR DIAGNOSIS. Nigerian Journal of Technology, [S. l.], v. 17, n. 1, p. 20–29, 2003. DOI: 10.4314/njt.171.432. Disponível em: https://nijotech.com/index.php/nijotech/article/view/432. Acesso em: 16 apr. 2026.