Traber, Thure, Hans-Josef Fell, and Christian Breyer. “Urban-Rural Cooperation for an Economy With 100% Renewable Energy and Climate Protection towards 2030 - the Region Berlin-Brandenburg ”. International Journal of Sustainable Energy Planning and Management 37 (April 1, 2023): 21–40. Accessed July 22, 2024. https://journals.aau.dk/index.php/sepm/article/view/7268.