@book { NeueIdeenfrdiePortrtfotografie,
    title = "Neue Ideen für die Porträtfotografie",
    author = "Jamari {Lior}",
    year = "2018",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/404181"
}