Openstreetmap, i dati geografici liberihttps://www.arkiwi.org/path64/Q29uZlNML29wZW5zdHJlZXRtYXAub2dn/html2012-06-28T13:49:31ZOpenstreetmap, i dati geografici liberiLuca Delucchihttps://www.arkiwi.org/path64/Q29uZlNML29wZW5zdHJlZXRtYXAub2dn/htmlCome funziona Open Street Map e come si รจ evoluto in questi anniLuca Delucchihttp://creativecommons.org/licenses/by-sa/3.0/it/deed.it2012-06-28T13:49:31Z