Bałdowski, M. 2017. Controversies Concerning the Interpretation of State Resources as a Prerequisite of State Aid: an Illustration Using the Example of Polish Green Certificates and the Auction System. Przegląd Prawniczy Uniwersytetu im. Adam Mickiewicza. 7, (Dec. 2017), 269–282. DOI:https://doi.org/10.14746/ppuam.2017.7.16.