http://www.worldaffairsjournal.org/content/turkish-pm-vows-operations-response-every-terror-attack
http://foreignpolicy.com/2015/07/29/vladimir-putins-good-cop-bad-cop-act/
http://www.ft.com/intl/cms/s/0/74d964a2-3606-11e5-b05b-b01debd57852.html
http://espreso.tv/article/2015/07/29/scho_shukayut_quotdruzi_putinaquot_v_krymu
http://www.novayagazeta.ru/comments/69344.html
http://www.ng.ru/armies/2015-07-28/3_kartblansh.html
http://www.radiosvoboda.org/content/article/27157217.html
http://www.theatlantic.com/international/archive/2015/07/ukraine-crisis-russia-united-states/399785/