Jurijs Holms, Gatis Vitols. LATVIAN SPATIAL METADATA CATALOGUE- CONTENT AND SUMMARY FOR REFERENCED SPATIAL DATA SETS AND SERVICES. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Informatics, Geoinformatics and Remote Sensing, 2017, pp. 573-580. https://doi.org/10.5593/sgem2017/23/s11.071