@book { Aktionrsklagen,
    title = "Aktionärsklagen",
    author = "Robert {Vollrath}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b16566",
    url = "https://www.peterlang.com/document/1058697"
}