1. Canor I (2013) My brother’s keeper? Horizontal Solange: “an ever closer Distrust among the peoples of Europe”. Common Mark Law Rev 50:383
2. Carrera S, Guild E, Hernanz N (2013) The triangular relationship between fundamental rights, democracy and the rule of law in the EU, towards an EU Copenhagen mechanism. CEPS
3. Closa C, Kochenov D (eds) (2016) Reinforcing the rule of law oversight in the European Union. Cambridge University Press
4. Craig P (1992) Once upon a time in the west: direct effect and the federalization of EEC law. Oxf J Legal Stud 12:453
5. Craig P (2002) The evolution of the single market. In: Barnard C, Scott J (eds) The law of the single European market, unpacking the premises. Hart, Chap 1