@book { DasKopftuchverbotanFrankreichsSchulen,
    title = "Das Kopftuchverbot an Frankreichs Schulen",
    author = "Frank {Schenker}",
    year = "2007",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1103610"
}