INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (3909, 'EPSG', 3909, '+proj=tmerc +lat_0=0 +lon_0=21 +k=0.9999 +x_0=7500000 +y_0=0 +ellps=bessel +towgs84=281.529,45.963,537.515,-2.570437,-9.648271,10.759507,26.465548 +units=m +no_defs +type=crs', 'PROJCS["MGI 1901 / Balkans zone 7",GEOGCS["MGI 1901",DATUM["MGI_1901",SPHEROID["Bessel 1841",6377397.155,299.1528128],TOWGS84[281.529,45.963,537.515,-2.570437,-9.648271,10.759507,26.465548]],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"]]');