• Output voltage control system for a three-level neutral-point clamped quasi-Z-source inverterRoncero-Clemente, Carlos; Husev, Oleksandr; Stepenko, Serhii; Romero-Cadaval, Enrique; Vinnikov, DmitriPrzeglad elektrotechniczny = Electrical review2013 / p. 76-80 : ill http://pe.org.pl/articles/2013/5/16.pdf https://www.scopus.com/sourceid/18700 https://www.scopus.com/record/display.uri?eid=2-s2.0-84877092541&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=AUTH%28roncero-clemente%2C+c%29&sessionSearchId=4a42d4bf2ceb805f2ef7f5f687f0741e&relpos=9