1. Die diskussion um die netzneutralität [Discussion on net neutrality];A. Becker;MedienWirtschaft,2008
2. Directive 2002/19/EC of the European Parliament and of the Council of 7 March 2002 on access to, and interconnection of, electronic communications networks and associated facilities (Access Directive). Official Journal, L 108, 24/04/2002, p.0007 - 0020.
3. Directive 2002/20/EC of the European Parliament and of the Council of 7 March 2002 on the authorisation of electronic communications networks and services (Authorisation Directive). Official Journal, L 108, 24/04/2002, p. 0021 - 0032.
4. Directive 2002/21/EC of the European Parliament and of the Council of 7 March 2002 on a common regulatory framework for electronic communications networks and services (Framework Directive). Official Journal, L 108, 24/04/2002, p. 0033 - 0050.
5. Directive 2002/22/EC of the European Parliament and of the Council of 7 March 2002 on universal service and users' rights relating to electronic communications networks and services (Universal Service Directive), Official Journal, L 108, 24/04/2002, p. 0051 - 0077.