www.whitecase.com/publications/alert/eu-responds-us-re-imposition-sanctions-iran
foreignpolicy.com/2018/05/15/leaving-the-iran-nuclear-deal-will-have-unintended-consequences/
See also:
goo.gl/K1ieKshttps://globalcompliancenews.com/us-iran-sanctions-eu-blocking-regulation-20180520/