I. Tolić, V. . Angebrandt, and I. H. T. Ivana Hartmann Tolić, “GROUNDING SYSTEM TESTING USING A LOW-VOLTAGE U-I METHOD – SOME PRACTICAL ISSUES”, JET, vol. 10, no. 1, pp. 59–69, Feb. 2024, doi: 10.18690/jet.10.1.59-69.2017.