@book { DieDrittanstellungvonVorstandsmitgliedern,
    title = "Die Drittanstellung von Vorstandsmitgliedern",
    author = "Stefan {Laumeyer}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b13561",
    url = "https://www.peterlang.com/document/1110643"
}