Тимошенко, Г., & Гайдаєнко, Є. (2012). Comparative analysis of promising current sources for electrical impedance tomography in an extended frequency range. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, (51), 115-121. https://doi.org/10.20535/RADAP.2012.51.115-121