Broad-band dielectric spectroscopy of low-permittivity fluids using one measurement cell. - Kjetil Folgerø (IEEE Trans. Instrum. Meas., 1998)

Combined Thickness and Permittivity Measurement of Thin Layers with Open-Ended Coaxial Probes. - Kjetil Folgerø; Kjetil Haukalid; Jan Kocbach; Andreas Soto Peterson (Sensors, 2019)