@book { FrostbzwFrostTaumittelWiderstandvonBeton,
    title = "Frost- bzw. Frost-Taumittel-Widerstand von Beton",
    author = "Carsten {Flohr}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836610926",
    url = "https://m.diplom.de/document/225658"
}