Telecommunication tariffs in central Europe. - Andrzej Jajszczyk; Jerzy Kubasik (IEEE Commun. Mag., 1993)

08043 Summary – Perspectives Workshop: Telecommunication Economics. - Heikki Hämmäinen; Hong Chen; Aiko Pras; George B. Huitema; Martin Waldburger; David Hausheer; Panayotis Antoniadis; Peter Reichl; Jerzy Kubasik; Burkhard Stiller (Telecommunication Economics, 2008)