@book { EntschiedenzumNichtraucher,
    title = "Entschieden zum Nichtraucher",
    subtitle = "Schritt für Schritt. Endgültig raus aus der Sucht",
    author = "Su {Busson} and Keyvan {Davani}",
    year = "2010",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403511"
}