• Measurement of the electric conductivity of highly conductive metals with 4-electrode impedance methodGordon, Rauno; Rist, Marek; Märtens, Olev; Min, MartLecture notes on impedance spectroscopy : measurement, modeling and applications. Vol. 12011 / p. 35-40 https://www.taylorfrancis.com/chapters/edit/10.1201/b11339-8/measurement-electric-conductivity-highly-conductive-metals-4-electrode-impedance-method-gordon-rist-m%C3%A4rtens-min