@book { ImplementierungeinesManagementinformationsundsteuerungssystems,
    title = "Implementierung eines Managementinformations- und -steuerungssystems",
    author = "Georg {Baulig}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832440039",
    url = "https://m.diplom.de/document/219638"
}