<![CDATA[ISO 23950:1998 - Information and documentation -- Information retrieval (Z39.50) -- Application service definition and protocol specification]]> http://www.iso.org/cms/render/live/en/sites/isoorg/contents/data/standard/02/74/27446.html http://www.iso.org/cms/render/live/en/sites/isoorg/contents/data/standard/02/74/27446.html 2014-07-18