1. IBM, Smarter planet initiative, 2010.
2. Carbon War Room analysis, Machine to Machine Technologies: Unlocking the Potential of a $1 Trillion Industry editors. T. Lee, H. MCMaHon. February 2013. http://www.grahampeacedesignmail.com/cwr/cwr_m2m_down_singles.pdf.
3. Harbor Research study: “Pervasive Internet & Smart Services Market Forecast”, 2009.
4. Optimizing energy-efficiency of PHY-layer authentication in machine-to-machine networks;Bartoli,2012
5. Wireless sensor network security analysis;Kalita;Int. J. Next-Gener. Networks,2009