@book { DasInformationsverhaltenvonDiabetespatienten, title = "Das Informationsverhalten von Diabetespatienten", author = "Lena {Müller}", year = "2009", publisher = "Diplom.de", address = "Hamburg, Deutschland", doi = "10.3239/9783836631686", url = "https://m.diplom.de/document/226976" }