@book { LebenundSchaffendesBildhauersJosefRiedl,
    title = "Leben und Schaffen des Bildhauers Josef Riedl",
    author = "Leopoldine {Riedl}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099157"
}