Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Hillion, Christophe" or (type any "bookEditor issueEditor" and editor="Hillion, Christophe") Add to list Book Chapter Facultative mixity and sincere cooperation Merijn Chamon (UGent) and Christophe Hillion (2020) EU external relations post-Lisbon : the law and practice of facultative mixity. In Studies in EU External Relations 16. p.86-111