@book { GeschichteinBildernBilderinderGeschichte,
    title = "Geschichte in Bildern – Bilder in der Geschichte",
    author = "Eugen {Kotte}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04274-0",
    url = "https://www.peterlang.com/document/1048418"
}