@book { Lyrikim19Jahrhundert,
    title = "Lyrik im 19. Jahrhundert",
    author = "Steffen {Martus} and Stefan {Scherer} and Claudia {Stockinger}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1098841"
}