@book { KreativittstechnikenzurIdeenfindung,
    title = "Kreativitätstechniken zur Ideenfindung",
    author = "Pascal {Holzer}",
    year = "2013",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/296543"
}