1. Federal Communications Commission (FCC) : Spectrum policy task force. Rep. ET Docket no. 04-186, 2004.
2. Federal Communications Commission (FCC), ET docket no. 03-222 notice of proposed rule making and order, December 2003.
3. Schlichting JD: Current state of regulation—SDRs and cognitive radio at the FCC. Proceedings of the Global Regulatory Summit on SDR and Cognitive Radio, June 2005, Washington, DC, USA
4. Snider JH, Vilimpoc M: Reclaiming the vast wasteland: unlicensed sharing of broadcast spectrum. New America Foundation, Spectrum Sharing Issues Brief #12, 2003.
5. Snider JH: Reclaiming the vast wasteland: the economic case for re-allocating to unlicensed service the unused spectrum (White Space) between TV channels 2 and 51. New America Foundation, Wireless Future Program Issue Brief #18, 2005.