On Jan 20, 2014, at 12:57 AM, Jan Velterop <velterop at gmail.com> wrote: > The 'requirement' is that what one calls open access IS truly open access. Any licence that covers open access works should reflect that. Of the CC-licences, only CC-BY does. CC BY-SA (and CC0) are also OKD conformant. -- Puneet Kishor