@book { DieRckkehrdesMoorknigs,
    title = "Die Rückkehr des Moorkönigs",
    subtitle = "Roman",
    author = "Eva {Maaser}",
    year = "2017",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/351825"
}