ШИШКІН, О. В. Hidden Digital Modulation of Audio Signals. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, [S. l.], n. 58, p. 129-138, 2014. DOI: 10.20535/RADAP.2014.58.129-138. Disponível em: https://radap.kpi.ua/radiotechnique/article/view/841. Acesso em: 1 may. 2024.