http://www.cfr.org/russian-federation/time-get-real-russia-cyber-war/p38396
http://foreignpolicy.com/2016/10/12/how-to-win-the-cyber-war-against-russia/
http://www.spiegel.de/politik/ausland/syrien-wladimir-putin-bombt-wie-er-will-a-1116297.html
http://www.the-american-interest.com/2016/10/12/putins-crony-gets-his-unfair-share/
http://www.rand.org/pubs/research_reports/RR1359.html
https://www.iiss.org/en/regions/russia/the-united-states-syria-quandary-8cd9
http://www.thetimes.co.uk/article/putin-risks-it-all-in-game-of-nuclear-brinkmanship-tfm23tpnf