@book { PflichtenkollisionenvonGeschftsleitern,
    title = "Pflichtenkollisionen von Geschäftsleitern",
    author = "Andreas G. {Mahret}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11330",
    url = "https://www.peterlang.com/document/1113329"
}