ШИШКИН, А. В. Statistical Digital Watermarks of Audio Signals. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, [S. l.], n. 62, p. 20-30, 2015. DOI: 10.20535/RADAP.2015.62.20-30. Disponível em: http://radap.kpi.ua/radiotechnique/article/view/1071. Acesso em: 16 may. 2021.