@book { ProjektmanagementimFacilityManagementamBeispieleinesRechenzentrums,
    title = "Projektmanagement im Facility Management am Beispiel eines Rechenzentrums",
    author = "Frank {Schnabel}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836606455",
    url = "https://m.diplom.de/document/225433"
}