@book { MobileHochwasserschutzsystemeinurbanenGebieten,
    title = "Mobile Hochwasserschutzsysteme in urbanen Gebieten",
    author = "Christian {Baumgartner}",
    year = "2014",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/270948"
}