Małgorzata Kozak, Wide scope of administrative discretion justified by features of telecommunications market : case comment to the judgment of the Polish Supreme Court of 2 April 2009 - Telekomunikacja Polska SA v the President of the Electronic Communications Office (Ref. No. III SK 28/08) , Yearbook of Antitrust and Regulatory Studies, 2010, 3 (3), , s. 284-289