<documents><document order_code="RL30153" release_date="2000-09-12" date_added="2005-05-18"><title>Critical Infrastructures: Background and Early Implementation of PDD-63</title><abstract_url>http://opencrs.com/document/RL30153/2000-09-12/</abstract_url><locations><location url="http://www.NCSEonline.org/NLE/CRS/OpenCRS.cfm?NLEid=23507" /></locations><legislation></legislation></document></documents>