@ARTICLE{Szewczyk_Bart_M.J._Enlargement_2010, author={Szewczyk, Bart M.J.}, number={No XXX}, journal={Polish Yearbook of International Law}, howpublished={online}, year={2010}, publisher={Institute of Law Studies PAS}, publisher={Committee on Legal Sciences PAS}, title={Enlargement and Legitimacy of the European Union}, }