@book { ITManagementinAirlineAllianzen,
    title = "IT-Management in Airline Allianzen",
    subtitle = "Entwicklung und Durchführung unter Berücksichtigung einer Strategischen-Portfolio-Simulation",
    author = "Thies {Langmaack}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099183"
}