Eurovoc, EU:s flerspråkiga tesaurus European Communities 2011-01-02 2012-11-18 15:27:36 sv skogsforskning лесовъдни изследвания lesnický výzkum Waldforschung δασική έρευνα forestry research investigación forestal recherche forestière ricerca forestale bosbouwkundig onderzoek badania w leśnictwie investigação florestal 2011-01-02 13:33:08