Тимошенко, Г. “Using the Three-Frequency Bioimpedance Measurement for Inhomogeneous Biological Objects”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 54, Nov. 2013, pp. 144-50, doi:10.20535/RADAP.2013.54.144-150.