
https://www.g20.org/Content/DE/_Anlagen/G7_G20/2017-g20-statement-antiterror-en.pdf?__blob=publicationFile&v=2

https://ukandeu.ac.uk/aukus-lessons-of-policy-objectives-and-secrecy/?mc_cid=b898c1471c&mc_eid=815b1928ec

http://dip21.bundestag.de/dip21/btd/19/007/1900700.pdf