@book { OrganisatorischeAspektedesProjektmanagements,
    title = "Organisatorische Aspekte des Projektmanagements",
    author = "Siegfried {Jobst}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832437343",
    url = "https://m.diplom.de/document/219418"
}