DOLEŽEL, Ivo, DVOŘÁK, P., ULRYCH, B. Impedance of Conductors Carrying High-Frequency Currents as a Function of their Profile. In: Modern Problems of Radio Engineering, Telecommunications and Computer Science - TCSET 2004. Lviv: Lviv Polytechnic National University, 2004, s. 126-129. ISBN 966-553-380-0.