1. Lee GM Park J Kong N Crespi N The Internet of Things - Concept and Problem Statement. July 2011. Internet Research Task Force, July 11, 2011, draft-lee-iot-problem-statement-02.txt
2. Scarrone E Boswarthick D Overview of ETSI TC M2M Activities, March 2012, ETSI, 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - France.
3. 3rd Generation Partnership Project, Technical Specification Group Services and System Aspects; Service Requirements for Machine Type Communications (MTC); Stage 1 (Release 10); Technical Specification 3GPP TS 22.368 V10.1.0 (2010-06)
4. African Utility Week Conference: 22-23 May 2012, Nasrec Expo Centre, Johannesburg. Available at www.african-utility-week.com
5. Machine-to-Machine communications (M2M); M2M Service Requirements. ETSI TS 102 689 V1.1.1 (2010-08). ETSI, 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - France