@book { StoryThinking,
    title = "StoryThinking",
    subtitle = "Durch die Kraft des Erzählens Mitarbeiter und Kunden gewinnen",
    author = "Martin {Beyer}",
    year = "2018",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1221302"
}