@book { WeristJude,
    title = "Wer ist Jude? ",
    author = "Sebastian {Haupt}",
    year = "2010",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640761760",
    url = "https://www.hausarbeiten.de/document/162481"
}