@book { IPAIntegrierteProjektabwicklunginderPraxis,
    title = "IPA - Integrierte Projektabwicklung in der Praxis",
    author = "Antje {Boldt} and Nina {Rodde}",
    year = "2024",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1488730"
}