United States Congress, Testimony of Gene Aloise, Director Natural Resources and Environment, Nabajyoti Barkakati, Chief Technologist Applied Research and Methodology, Gregory C. Wilshusen, Director Information Security Issues, Before the Subcommittee on Oversight and Investigations, Committee on Energy and Commerce, House of Representatives: Los Alamos National Laboratory Faces Challenges In Sustaining Physical and Cyber Security Improvements, September 25, 2008. Unclassified.