<![CDATA[ISO 14721:2003 - Space data and information transfer systems -- Open archival information system -- Reference model]]> http://www.iso.org/cms/render/live/en/sites/isoorg/contents/data/standard/02/46/24683.html http://www.iso.org/cms/render/live/en/sites/isoorg/contents/data/standard/02/46/24683.html 2012-08-21