@book { DieDiskussionumdasEWSII,
    title = "Die Diskussion um das EWS II",
    author = "Jochen {Klauß}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Germany",
    doi = "10.3239/9783832438739",
    url = "https://m.diplom.de/document/219342"
}