3Tropina, T., et al. Functional within the European Union: Debates and Telematics and Informatics,Vol.27, Issue 2010, pp. 231-241. separatxon challenges, 3, August.
4CAVE M.: "Six degrees of separationOperational separation as a remedy in European telecommunications regulation", Communications & Strategies, no. 64, 4th Quarter, pp. 89-103.
5PTS, 2007. Proposal for Swedish Broadband Strategy. http://www.pts.se.
