@book { WandelanleihenmitPflichtwandlung,
    title = "Wandelanleihen mit Pflichtwandlung",
    author = "Arne {Friel}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1090758"
}