“Sensitivity Analysis of the Phase Angle of the Reflection Coefficient of Waveguide Measurement Cell in the Case of Low Loss Dielectric”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 45, June 2011, pp. 130-9, https://doi.org/10.20535/RADAP.2011.45.130-139.