Svec, Zdenek, Matouskova, Eva, Pavelka, Karel (2014). IMPROVEMENT OF THE DIGITAL TERRAIN MODEL OF THE CZECH REPUBLIC OF THE 4TH GENERATION FOR THE AERIAL PHOTOGRAPHS ORTHORECTIFICATION. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on INFORMATICS, GEOINFORMATICS AND REMOTE SENSING. https://doi.org/10.5593/sgem2014/b23/s10.024