Diez-Pisonero, Roberto, Cándida Gago-García, and Juan A. Córdoba Ordóñez. 2020. “Beyond Global Nodes and Economic Indicators in the Evaluation of the World-System of Cities”. DIE ERDE – Journal of the Geographical Society of Berlin 151 (1), 1-15. https://doi.org/10.12854/erde-2020-425.