Impedance measurement front-end based on signal four-phase detection. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, [S. l.], n. 72, p. 62–68, 2018. DOI: 10.20535/RADAP.2018.72.62-68. Disponível em: https://radap.kpi.ua/radiotechnique/article/view/1441. Acesso em: 8 apr. 2025.