
https://ukandeu.ac.uk/the-russia-china-relationship-the-perils-of-a-friendship-with-no-limits/

https://www.aspistrategist.org.au/from-the-bookshelf-china-and-russia-four-centuries-of-conflict-and-concord/

http://blogs.lse.ac.uk/brexit/2018/05/15/switzerland-wanted-more-immigration-controls-but-economic-self-interest-will-probably-prevail/