GEOGCS["Perroud 1950",
    DATUM["Pointe_Geologie_Perroud_1950",
        SPHEROID["International 1924",6378388,297],
        TOWGS84[325,154,172,0,0,0,0]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4637"]]