Fromhold-Eisebith, Martina, and Günter Eisebith. “Economic Crisis and Innovativeness – Exploring Geographies of Impact”. DIE ERDE – Journal of the Geographical Society of Berlin 142, no. 4: 377–392. Accessed December 4, 2024. https://die-erde.org/index.php/die-erde/article/view/29.