@book { ReisenachInnen,
    title = "Reise nach Innen",
    author = "Rüdiger {Dahlke} and Margit {Dahlke}",
    year = "2017",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/368582"
}