@book { SmarteprivateVideoberwachung,
    title = "Smarte private Videoüberwachung",
    author = "Julia Kristina {Krumm}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15465",
    url = "https://www.peterlang.com/document/1068796"
}