ЛАГУН, І. І.; НАКОНЕЧНИЙ, Р. А. General classification of signals and their working. METHODS AND DEVICES OF QUALITY CONTROL, [S. l.], n. 1(22), p. 71–75, 2009. Disponível em: https://mpky.nung.edu.ua/index.php/mpky/article/view/287. Acesso em: 18 may. 2024.