https://dgap.org/de/forschung/publikationen/europa-braucht-eine-bessere-geooekonomische-strategie
https://www.wilsoncenter.org/blog-post/debt-distress-road-belt-and-road
https://theconversation.com/por-que-chile-tiene-un-club-de-futbol-palestino-230766
http://trade.ec.europa.eu/doclib/docs/2019/june/tradoc_157964.pdf