Workers' Councils during the Time of the "Polish October" (1956-1958) : The Barriers for Grassroots Change in a Party-State System - Tymiński, Maciej (. Zur Physiognomie sozialistischer Wirtschaftsreformen. - Frankfurt am Main : Klostermann, 2007. - XLII, 324 S.. - ISBN 978-3-465-04026-2, 2007)