@book { ZuGastineinemfremdenHaus,
    title = "Zu Gast in einem fremden Haus",
    author = "Florian {Baier}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1102486"
}