Prazenica, M., B. Dobrucky, M. Benova, and J. Kassa. 2010. “Comparative Study of 2-Phase Low Frequency Triac Converter- and High Frequency Two-Stage Matrix Converter Systems”. Elektronika Ir Elektrotechnika 100 (4):15-20. https://eejournal.ktu.lt/index.php/elt/article/view/9867.