KLAGGE, Britta; SCHMOLE, Hanna; SEIDL, Irmi; SCHÖN, Susanne. Future of German energy co-operatives: Challenges and opportunities in an innovation perspective. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 74, n. 3, p. 243–258, 2016. DOI: 10.1007/s13147-016-0398-3. Disponível em: https://rur.oekom.de/index.php/rur/article/view/533. Acesso em: 15 aug. 2026.