ŽILKA, Z., BERKA, Z., BRAUN, J. Modeling of differential circuits by s-parameters for signal integrity evaluation. Brno: Vysoké učení technické, 2003. ISBN 80-214-2452-4. In: MUSIL, V., ed. EDS'03 Proceedings of the 10th Electronic Devices and Systems Conference 2003. , s. 230-233.