@misc{Polko_Adam_Understanding, author={Polko, Adam and Czornik, Małgorzata and Ochojski, Artur}, howpublished={online}, publisher={Bogucki Wydawnictwo Naukowe}, language={eng}, type={monografia}, title={Understanding the Urban Commons. Economics and Govermance}, keywords={ekonomia, urban commons, zarządzanie}, }