@book { DieKonkurrenzvonRechtfertigungsgrnden,
    title = "Die Konkurrenz von Rechtfertigungsgründen",
    author = "Sven-Markus {Thiel}",
    year = "2000",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1089796"
}