3909=PROJCS["MGI 1901 / Balkans zone 7",GEOGCS["MGI 1901",DATUM["MGI_1901",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[521.748,229.489,590.921,-4.029,-4.488,15.521,-9.78]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","3906"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",21],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",7500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","3909"]]