Institute of Electrical and Electronics Engineers,
IEEE 81-2012; IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System - USA IEEE, 2012 - 74p. - 0
IEEE 81-2012; IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System - USA IEEE, 2012 - 74p. - 0
