@book { BegabtenfrderunginderRealschulePlus,
    title = "Begabtenförderung in der Realschule Plus",
    author = "Antonia {Bruhn}",
    year = "2015",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/297601"
}