Proving the Grounds for Compensation – Reflections on Private Enforcement in the Polish Cement Cartel Case. Case Comment to the Judgment of the Court of Appeals in Cracow of 10 January 2014 (Ref. No IACa 1322/13) Journal title: Yearbook of Antitrust and Regulatory Studies Authors: Magdalena Knapp, Paulina Korycińska-Rządca Subject(s):