@book { DieVernderungderPreisempfindlichkeitvonPrivatkundendurchHomebanking,
    title = "Die Veränderung der Preisempfindlichkeit von Privatkunden durch Homebanking",
    author = "Matthias {Aechter}",
    year = "1997",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832402907",
    url = "https://m.diplom.de/document/216276"
}