1. Real Options: Taking Stock and Looking Ahead
2. Impact of airports on regional accessibility and social development
3. Government of Romania, “STRATEGY on the National Policy Framework Market Growth for Alternative Fuels in the Transport Sector and for the Installation of Relevant Infrastructure in Romania”, (March 2018)
4. EUROSTAT, “Tables, Graphs and Maps Interface (TGM). Air transport of passengers”. Available on: http://epp.eurostat.ec.europa.eu/portal/page/portal/transport/data/main_tables (accessed on March 2017)
5. Airport Council International, Airport Industry Connectivity Report 2017, Paris, p. 39 (2017)