GEOGCS["Hanoi 1972", DATUM["Hanoi_1972", SPHEROID["Krassowsky 1940",6378245,298.3], TOWGS84[-17.51,-108.32,-62.39,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4147"]]