@book { SmtlicheWerkeBand8DiekurtzweiligenSommerTge,
    title = "Sämtliche Werke - Band 8- Die kurtzweiligen Sommer-Täge",
    author = "Hans-Gert {Roloff} and Ferdinand {van Ingen}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1091081"
}