Skaloud, JanLegat, Klaus2008-01-282008-01-282008-01-28200810.1016/j.isprsjprs.2007.09.002https://infoscience.epfl.ch/handle/20.500.14299/17192WOS:000254660600010topomappTheory and Reality of Direct Georeferencing in National Coordinatestext::journal::journal article::research article