PROJCS["Hanoi 1972 / Gauss-Kruger zone 18",
    GEOGCS["Hanoi 1972",
        DATUM["Hanoi_1972",
            SPHEROID["Krassowsky 1940",6378245,298.3,
                AUTHORITY["EPSG","7024"]],
            TOWGS84[-17.51,-108.32,-62.39,0,0,0,0],
            AUTHORITY["EPSG","6147"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.01745329251994328,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4147"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",105],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",18500000],
    PARAMETER["false_northing",0],
    AUTHORITY["EPSG","2044"],
    AXIS["Y",EAST],
    AXIS["X",NORTH]]