1. Infographic—the History of M2M infographic.
2. Galetic, V., et al. (2011). Basic principles of Machine-to-Machine communication and its impact on telecommunications industry. In 2011 proceedings of the 34th international convention, MIPRO.
3. Liu, J., Xiao, Y., et al. (2012). Cyber security and privacy issues in smart grids. In 3rd IEEE PES innovative smart grid technologies Europe (ISGT Europe). Berlin.
4. M2M—Concept and Architectural Overview. (2013). CSI communications.
5. ETSI (European Telecommunications Standards Institute).