http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
European handbook of crowdsourced geographic information
European Cooperation in the Field of Scientific and Technical Research (organizace)
viii, 464 stran : ilustrace, mapy ; 23 cm
edited by Cristina Capineri, Muki Haklay, Haosheng Huang, Vyron Antoniou, Juhani Kettunen, Frank Ostermann and Ross Purves
Na obálce: COST European Cooperation in Science and Technology