GEOGCS["Unknown datum based upon the Bessel 1841 ellipsoid (deprecated)",
    DATUM["Not_specified_based_on_Bessel_1841_ellipsoid",
        SPHEROID["Bessel 1841",6377397.155,299.1528128,
            AUTHORITY["EPSG","7004"]],
        AUTHORITY["EPSG","6004"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4004"]]