Domestic passenger and freight rail security [electronic resource] : hearing before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Ninth Congress, first session, October 20, 2005.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2006.
Also available via Internet from the GPO Access web site. Address as of 8/8/06: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=109%5Fsenate%5Fhearings&docid=f:28172.pdf; current access is available via PURL.