LUKOCIUS, R.; VIRBALIS, J. A. Adaptive Frequency Evaluation Method. Elektronika ir Elektrotechnika, [S. l.], v. 107, n. 1, p. 3-6, 2011. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/9068. Acesso em: 4 oct. 2022.