Spanik P, Sedo J, Drgona P, Frivaldsky M. Real Time Harmonic Analysis of Recuperative Current through Utilization of Digital Measuring Equipment. ELEKTRON ELEKTROTECH [Internet]. 2013May14 [cited 2024May1];19(5):33-8. Available from: https://eejournal.ktu.lt/index.php/elt/article/view/4364