http://oegfe.at/wordpress/wp-content/uploads/2017/05/OEGfE_Policy_Brief-2017.13.pdf
https://www.opendemocracy.net/can-europe-make-it/andreas-rahmatian/eu-as-britain-s-constitutional-stabiliser?utm_source=Daily+Newsletter&utm_campaign=8d26251e8d-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-8d26251e8d-407405485
https://www.opendemocracy.net/can-europe-make-it/adam-chmielewski/unsympathetic-people-and-overwhelming-success-of-polands-exclusi?utm_source=Daily+Newsletter&utm_campaign=9038c5d758-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-9038c5d758-407405485