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4. Bundesministerium für Wirtschaft und Klimaschutz (2022)Federal Ministry for Economic Affairs and Climate Action appoints bundesnetzagentur as fiduciary for Gazprom germania 4 April. https://www.bmwi.de/Redaktion/EN/Pressemitteilungen/2022/03/20220404-bmwk-appoints-bundesnetzagentur-as-fiduciary-for-gazprom-germania.html
5. Bundestag (2018) Kleine Anfrage betr.: “Einstieg der KfW beim Stromnetzbetreiber 50Hertz” BT-Drucksache: 1913796