JIS C 2139-3-2:2018 Dielectric and resistive properties of solid insulating materials -- Part 3-2: Determination of resistive properties (DC methods) -- Surface resistance and surface resistivity
2018JIS C 2139-3-1:2018 Dielectric and resistive properties of solid insulating materials -- Part 3-1: Determination of resistive properties (DC methods) -- Volume resistance and volume resistivity
2008JIS C 2139:2008 Solid electrical insulating materials -- Methods for the determination of volume resistivity and surface resistivity