1. W3C-Group. (2016). Direct to device connectivity in the internet of things. Retrieved from https://www.w3.org/WoT/
2. Adjih, C., Baccelli, E., Fleury, E., Harter, G., Mitton, N., Noel, T., . . . Watteyne, T. (2016). FIT IoT-LAB: A large scale open experimental IoT testbed. IEEE World Forum on Internet of Things, WF-IoT 2015 - Proceedings, 459–464.
3. AFour Technologies. (2017). IoT Testing Services. Retrieved from https://afourtech.com/iot-testing-services/
4. Internet of Things: A Survey on Enabling Technologies, Protocols, and Applications