Multidisciplinary Symposium on Circular Economy and Urban Mining (8. : 2025 : Procida) Bezüge im Wissensnetz Homepage (2) GND sum-2025 sum2025-8th-multidisciplinary-symposium-on-circular-economy-and-urban-mining Veranstaltungsort (1) GND Procida Veranstalter oder Gastgeber (1) GND International Waste Working Group