“Analysis of Current Sources on the Operational Amplifiers According to Their Precision Requirements in a Wide Frequency Range for Electrical Impedance Tomography Problems”. 2013. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 54 (November): 24-32. https://doi.org/10.20535/RADAP.2013.54.24-32.