@book { BOTProjectsinAsia,
    title = "BOT-Projects in Asia",
    subtitle = "Impact Study of an Efficient Risk Management during Build-Operate-Transfer Projects in the Infrastructure Sector",
    author = "Ursula Katharina {Wolter}",
    year = "2006",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/224812"
}