1. Azoulai L, van der Sluis M (2016) Institutionalizing personal data protection in times of global institutional distrust: Schrems. CMLRev 53:1343–1372.
2. Bieker F (2015) The Court of Justice of the European Union, Data Retention and the Rights to Data Protection and Privacy—Where Are We Now? In: Camenisch J, Fischer-Hübner S, Hansen M (eds) Privacy and Identity Management for the Future Internet in the Age of Globalisation. Springer, Cham/Heidelberg/New York/Dordrecht/London, pp. 73–86.
3. Bieker F (2016) Enforcing Data Protection Law – the Role of the Supervisory Authorities in Theory and Practice. In: Lehmann A, Whitehouse D, Fischer-Hübner S, Fritsch L, Raab C (eds) Privacy and Identity Management. Facing up to Next Steps. Springer, Cham, pp. 125–139.
4. Bock K, Engeler M (2016) Die verfassungsrechtliche Wesensgehaltsgarantie als absolute Schranke im Datenschutzrecht [The Essence of Fundamental Rights as Absolute Limit in Data Protection Law]. DVBl 593–599.
5. Boehm F, Cole M (2014) Data Retention after the Judgement of the Court of Justice of the European Union. Münster/Luxemburg. http://www.zar.kit.edu/DATA/veroeffentlichungen/237_237_Boehm_Cole-Data_Retention_Study-June_2014_1a1c2f6_9906a8c.pdf. Accessed 28 July 2021.