http://creativecommons.org/publicdomain/zero/1.0/legalcode | OPENAIRE |
http://creativecommons.org/publicdomain/zero/1.0/ | OPENAIRE |
cc0 | OPENAIRE |
https://creativecommons.org/publicdomain/zero/1.0 | OPENAIRE |
http://creativecommons.org/licenses/publicdomain/zero/1.0 | OPENAIRE |
http://creativecommons.org/licenses/publicdomain/zero/1.0/ | OPENAIRE |
https://creativecommons.org/publicdomain/zero/1.0/legalcode | OPENAIRE |
https://creativecommons.org/publicdomain/zero/1.0/ | OPENAIRE |
http://creativecommons.org/publicdomain/zero/1.0 | OPENAIRE |
http://spdx.org/licenses/CC0-1.0.html#licenseText | OPENAIRE |