@book { LebenundAbenteuerdesgroenKnigsApolloniusvonTyruszuLandundzurSee,
    title = "Leben und Abenteuer des großen Königs Apollonius von Tyrus zu Land und zur See",
    author = "Helmut {Birkhan}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1100430"
}