@book { Schriften,
    title = "Schriften",
    subtitle = "Reden, Aufzeichnungen, Idyllen 1762-1797- Historisch-kritische Edition",
    author = "Peter und Doris {Walser-Wilhelm}",
    year = "1997",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1086031"
}