@book { DieTaubeinderHand,
    title = "Die Taube in der Hand",
    subtitle = "Vom Mythos der Kundenbindung zum Bauplan echter Loyalität",
    author = "Eric {Eller} and Benjamin {Nuebel} and Susanne {Asheuer}",
    year = "2026",
    publisher = "C.H.Beck",
    address = ", Deutschland",
    url = "https://vahlen.openpublishing.com/document/1774765"
}