@book { ProjektplanungOrganisationundAblauf,
    title = "Projektplanung: Organisation und Ablauf",
    author = "Karl-Heinz {Konnerth}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638531757",
    url = "https://www.hausarbeiten.de/document/59168"
}