@article{, recid = {491418}, title = {DHS cybersecurity : roles and responsibilities to protect the nation's critical infrastructure : hearing before the Committee on Homeland Security, House of Representatives, One Hundred Thirteenth Congress, first session, March 13, 2013.}, number = {Serial no. 113-4 (United States. Congress. House. Committee on Homeland Security)}, pages = {iii, 74 pages :}, note = {Shipping list no.: 2014-0049-P.}, url = {http://library.usi.edu/record/491418}, }