https://www.wilsoncenter.org/article/360deg-view-policies-needed-secure-shipping-chokepoints
https://www.ips-journal.eu/regions/global/eu-latin-america-summit-6869/
https://www.esri.ie/system/files/publications/SUSTAT117.pdf
https://ukandeu.ac.uk/explainers/eu-switzerland-negotiations-agreement/?mc_cid=1b270f9c56&mc_eid=815b1928ec