Czapp, S. “Comparison of Residual Current Devices Tripping Characteristics for Selected Residual Current Waveforms”. Elektronika ir Elektrotechnika 100, no. 4 (March 23, 2010): 7-10. Accessed April 26, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/9865.