Kuwałek, Piotr, and Grzegorz Wiczy´nski. “Problem of Total Harmonic Distortion Measurement Performed by Smart Energy Meters”. Measurement Science Review 22, no. 1 (January 21, 2022): 1–10. Accessed April 30, 2024. https://journals.savba.sk/index.php/msr/article/view/1213.