Tölle A. Re-Dimensioning the Polish-German Border Area: Poznań as a City in a Transnational Cooperation Space. qg [Internet]. 2010 Dec. 20 [cited 2024 May 7];29(4):83-9. Available from: https://pressto.amu.edu.pl/index.php/qg/article/view/v10117-010-0034-1