PROJCS["PD/83_GK_Zone_4",GEOGCS["GCS_PD/83",DATUM["D_Potsdam_1983",SPHEROID["Bessel_1841",6377397.155,299.1528128],EXTENSION["PROJ4_GRIDS","BETA2007.gsb"]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Gauss_Kruger"],PARAMETER["False_Easting",4500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",12.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]