1. Website of the Club Alpino Italiano: http://www.cai.it/
2. Website of the Swiss Air Rescue: http://www.rega.ch/en/home.aspx
3. Smart collaboration between Humans and ground-aErial Robots for imProving rescuing activities in Alpine environments (SHERPA) is a funded project by the European Community under the 7th Framework Programme. http://www.sherpa-project.eu/sherpa/
4. Saleem, S., Johnson, T., Ramasubramanian, S.: Design of a self-forming, self-healing small-medium infrastructure wireless mesh network. In: Proceedings of 10th Annual IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks (SECON), pp. 252–254 (2013)
5. Weiyi, Z., Jiang, X.: ReLoAD: resilient location area design for internet-based infrastructure wireless mesh networks. In: Proceedings of IEEE Global Telecommunications Conference (GLOBECOM 2011), pp. 1–5 (2011)