http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Impacts of economic crisis on V4 cooperation and business activities with focus on tourism development in Ukraine
Turizmus ako priorita predsedníctva Slovenska krajinám V4. Propagácia cestovného ruchu na Ukrajine s pomocou krajín V4.