@book { DieUmwandlungvonMietinEigentumswohnungen,
    title = "Die Umwandlung von Miet- in Eigentumswohnungen",
    author = "Dagmar {Striedinger}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832459130",
    url = "https://m.diplom.de/document/221366"
}