1. Europäische Kommission and Europäische Kommission (eds.): Flightpath 2050: Europe’s vision for aviation ; maintaining global leadership and serving society’s needs ; report of the High-Level Group on Aviation Research. Luxembourg: Publ. Off. of the Europ. Union (2011)
2. SESAR Joint Undertaking | Modus - Modelling and assessing the role of air transport in an integrated, intermodal transport system. https://www.sesarju.eu/projects/modus. Accessed 30 Sept 2020
3. IATA - IATA Multilateral Interline Traffic Agreements (MITA). https://www.iata.org/whatwedo/workgroups/Pages/mita.aspx. Accessed 02 Sept 2019
4. Coles, H.: the future of interline - a new model for seamless customer journeys. IATA White Paper, p. 20, October 2019
5. IATA: IATA - SRSIA. https://www.iata.org/en/programs/workgroups/passenger-standards-conference/srsia/. Accessed 26 Feb 2020