@book { FremdeAngstNemesisPsychothriller,
    title = "Fremde Angst: Nemesis (Psychothriller)",
    author = "Marcus {Ehrhardt}",
    year = "2018",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/995475"
}