1. Minaev I.(2007) Flexible use of Spectrum. Presented at the ITU seminar on Economic Aspects of national radio frequency spectrum management. Kyiv Ukraine July 3–5 2007. Available at:https://www.itu.int/ITU‐D/finance/spectrum_management/Kyiv/Minaev1‐EN.PDF.
2. Commission of The European Communities(2007) Rapid Access to Spectrum for Wireless Electronic Communications Services through more Flexibility. Available:https://eur‐lex.europa.eu/LexUriServ/LexUriServ.do?uri=COM:2007:0050:FIN:EN:PDF.
3. European Parliament and Council(2014) Directive 2014/53/EU on the harmonisation of the laws of the Member States relating to the making available on the market of radio equipment and repealing Directive 1999/5/EC Text with EEA relevance.
4. The unfinished history of usage rights for spectrum
5. RTL Group Press Release(2013) DVB‐T programme distribution expires at the end of 2014 17th January 2013. Available:http://www.rtlgroup.com/en/news/2013/3/dvb‐t_programme_distribution_e.cfm.