@book { DerAnspruchaufdengesetzlichenMindestlohn,
    title = "Der Anspruch auf den gesetzlichen Mindestlohn",
    author = "Katja {Grühn}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15477",
    url = "https://www.peterlang.com/document/1113554"
}