1. Communications in Computer and Information Science;G Fortino,2013
2. Gartner, Inc.: Forecast: Internet of Things — Endpoints and Associated Services, Worldwide (2016)
3. https://ec.europa.eu/digital-single-market/ecall-time-saved-lives-saved
4. 3GPP TR 26.967 V8.0.1: eCall Data Transfer; In-band modem solution
5. European Commission: Road safety statistics: what is behind the figures? La Valette, 28 March 2017. http://europa.eu/rapid/press-release_MEMO-17-675_en.htm