@book { ProfitcenterFlughafenWieAirportsGelderwirtschaften,
    title = "Profitcenter Flughafen: Wie Airports Geld erwirtschaften",
    author = "Wadim {Tkatschew}",
    year = "2011",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/296456"
}