@book { GhostsortheNearlyInvisible,
    title = "Ghosts – or the (Nearly) Invisible",
    author = "Maria {Fleischhack} and Elmar {Schenkel}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05962-5",
    url = "https://www.peterlang.com/document/1067671"
}