Burokas, T., and S. Štaras. “Properties of the Retard System Models Based on the Complex Cross Section Multiconductor Lines”. Elektronika ir Elektrotechnika 84, no. 4 (April 19, 2008): 3-8. Accessed March 29, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/11086.