@book { AktdarstellunginderNeuenSachlichkeit,
    title = "Aktdarstellung in der Neuen Sachlichkeit",
    author = "Janina {Nentwig}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107869"
}