
https://pure.royalholloway.ac.uk/portal/files/26649214/arkolakis_doxiadis_galenianos_greek_trade_adjustment_september_2014.pdf

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/800532/JOINT_COMMUNIQUE%CC%81_OF_BIIGC.pdf

https://www.kas.de/de/veranstaltungsberichte/detail/-/content/vom-mauerfall-zur-migrationsfrage-30-jahre-deutsche-einheit-und-die-einheit-in-europa