Laser, Stefan, und Estrid Sørensen. „Re-Imagining River Restoration: Temporalities, Landscapes and Values of the Emscher Set in a Post-Mining Environment“. Berliner Blätter 84 (Juni 21, 2021): 21–34. Zugegriffen Oktober 22, 2021. https://berliner-blaetter.de/index.php/blaetter/article/view/1106.