PROJCS["Hanoi 1972 / Gauss-Kruger zone 18",GEOGCS["Hanoi 1972",DATUM["D_Hanoi_1972",SPHEROID["Krassowsky_1940",6378245,298.3]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",105],PARAMETER["scale_factor",1],PARAMETER["false_easting",18500000],PARAMETER["false_northing",0],UNIT["Meter",1]]