ASMANIS, G.; KRIEVS, O.; ASMANIS, A. Active Power Filter LCL Filter Insertion Loss Calculation Analysis. Elektronika ir Elektrotechnika, [S. l.], v. 18, n. 9, p. 23-26, 2012. DOI: 10.5755/j01.eee.18.9.2799. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/2799. Acesso em: 26 sep. 2022.