@book { DatensynchronisationmitSyncML,
    title = "Datensynchronisation mit SyncML",
    author = "Markus {Krenn}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832445072",
    url = "https://m.diplom.de/document/220108"
}