1. Tsai, C., Lai, C., & Vasilakos, V. (2014). Future internet of things: Open issues and challenges. ACM/Springer Wireless Networks,. doi: 10.1007/s11276-014-0731-0 .
2. Wan, J., Yan, H., Suo, H., & Li, F. (2011). Advances in cyber-physical systems research. KSII Transactions on Internet and Information Systems, 5(11), 1891–1908.
3. International Telecommunication Union. (2005). Internet reports 2005: The internet of things. Geneva: ITU.
4. Hachem, S., Teixeira, T., & Issarny, V. (2011). Ontologies for the internet of things (pp. 1–6). New York: ACM.
5. Sundmaeker, H., Guillemin, P., Friess, P., & Woelfflé, S. (2010). Vision and challenges for realising the internet of things. Cluster of European Research Projects on the Internet of Things—CERP IoT.