John Vervaele, The Application of the EU Charter of Fundamental Rights (CFR) and Its «Ne bis in idem» Principle in the Member States of the EU (Stosowanie Karty Praw Podstawowych UE i wyrażonej w niej zasady ne bis in idem w państwach członkowskich UE), “Review of European Administrative Law” vol. 6, 2013, no. 1
John Vervaele, The Application of the EU Charter of Fundamental Rights (CFR) and Its «Ne bis in idem» Principle in the Member States of the EU, “Review of European Administrative Law” vol. 6, 2013, no. 1