https://www.osce.org/library/14127?download=true
https://www.dinsakerhet.se/siteassets/dinsakerhet.se/broschyren-om-krisen-eller-kriget-kommer/om-krisen-eller-kriget-kommer—engelska.pdf
https://giwps.georgetown.edu/wp-content/uploads/2019/12/WPS-Index-2019-20-Report.pdf
https://larouchepub.com/eiw/public/2014/eirv41n08-20140221/34-35_4108.pdf