GNU Free Documentation License 1.3 (GFDL 1.3)
https://w3id.org/italia/controlled-vocabulary/licences/A311_GFDL13 <http://dati.gov.it/onto/dcatapit#LicenseDocument>
1.3
3
xsd:anyURI
https://www.gnu.org/licenses/fdl.html
A.3.11
GNU Free Documentation License 1.3 (GFDL 1.3)
GNU Free Documentation License 1.3 (GFDL 1.3)
GNU Free Documentation License 1.3 (GFDL 1.3)
Licence GNU de documentation libre 1.3 (GFDL 1.3)
GNU Free Documentation License 1.3 (GFDL 1.3)
GNU Free Documentation License 1.3 (GFDL 1.3)
GNU Free Documentation License 1.3 (GFDL 1.3)
Licence GNU de documentation libre 1.3 (GFDL 1.3)
A.3.11