BREZDEŃ, Pawel - SPALLEK, Waldemar. Some spatial and economic aspects of transformation of polish banking system with lower silesia's banking network as an example. In Regional development and planning. 1. vyd. 146 s. ISBN 978-80-7414-222-2 (brož.) Regional Development and Planning. Ústí nad Labem : Jan Evangelista Purkyně University, 2010, s. 124-138.