Kosiński, E. and Mikulska, A. (2021) “Assessing the Rules of Functioning and Organization of the Wholesale Natural Gas Market in the European Union and Ukraine: Legal and Socio-political Perspective: Part I: The Backdrop: Natural Gas Market in the EU and Ukraine”, PRAWO i WIĘŹ, (34), pp. 125–137. doi:10.36128/priw.vi34.246.