@book { Kleinstadthengste,
    title = "Kleinstadthengste",
    author = "Katalin {Sturm}",
    year = "2013",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783955201180",
    url = "https://m.dotbooks.de/document/208097"
}