@book { DasMarktmanipulationsverbotgem20aWpHG,
    title = "Das Marktmanipulationsverbot gem. § 20a WpHG",
    author = "Björn {Karst}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108199"
}