Licht, D.M., D.J. Polzella, and K. Boff. 1989. Human Factors, Ergonomics, and Human Factors Engineering: An Analysis of Definitions. CSERIAC-89-01. Crew System Ergonomics Information Analysis Center, and H.G. Armstrong Aerospace Medical Research Laboratory, Wright Patterson AFB, Dayton, OH [online]. Available: http://www.hfes.org/Web/EducationalResources/HFDefi-nitions.pdf (accessed June 19, 2011).
Linger, D.A., G.H. Baker, and R.C. Little. 2002. Applications of underground structures for the physical protection of critical infrastructure. Pp. 333-342 in North American Tunneling, L. Ozdemir, ed. Lisse, The Netherlands: Swets and Zeitlinger [online]. Available: works.bepress.com/cgi/viewcontent.cgi?article=1002&context=george_h_baker&sei-redir=1#search=”Underground+Infrastructure+Security (accessed April 26, 2011).
McCamley, N.J. 1998. Secret Underground Cities: An Account of Some of Britain’s Subterranean Defence, Factory and Storage Sites in the Second World War. South Yorkshire, United Kingdom: Pen & Sword Books, Ltd.
Meijenfeldt, E.V., and M. Geluk. 2003. Below Ground Level: Creating New Spaces for Contemporary Architecture. Basel, Boston, Berlin: Birkhäuser.
Miles, S.B. 2011. The role of critical infrastructure in community resilience to disasters. Pp. 1985-1995 in Proceedings of the 2011 Structure Congress, April 14-16, 2011, Las Vegas, NV, D. Ames, T.L. Droessler, and M. Holt, eds. Reston, VA: ASCE. DOI:10.1061/41171(401)173.
Molag, M., and I.J.M. Trijssenaar-Buhre. 2006. Risk Assessment Guidelines for Tunnels. Safe and Reliable Tunnels, Second International Symposium, Lausanne, Switzerland [online]. Available: http://www.ita-aites.org/fileadmin/filemounts/general/pdf/ItaAssociation/Committees/COSUF/Molag.pdf.
Myers, C.W., and N.Z. Elkins. 2009. Underground Collocation of Nuclear Power Reactors and Repository to Facilitate the Post-Renaissance Expansion of Nuclear Power. Waste Management Conference, March 1-5, 2009. Phoenix, Arizona [online]. Available: http://permalink.lanl.gov/object/tr?what=info:lanl-repo/lareport/LA-UR-08-07452 (accessed December 4, 2012).
NFPA (National Fire Protection Association). 2010a. NFPA 130: Standard for Fixed Guideway Transit and Passenger Rail Systems [online]. Available: http://www.nfpa.org/aboutthecodes/About-TheCodes.asp?DocNum=130&cookie%5Ftest=1 (accessed June 9, 2011).
NFPA. 2010b. NFPA 520: Standard on Subterranean Spaces [online]. Available: http://www.nfpa.org/aboutthecodes/AboutTheCodes.asp?DocNum=520 (accessed June 9, 2011).
NFPA. 2010c. NFPA 1710: Standard for the Organization and Deployment of Fire Suppression Operations, Emergency Medical Operations, and Special Operations to the Public by Career Fire Departments [online]. Available: http://www.nfpa.org/aboutthecodes/AboutTheCodes.asp?DocNum=1710 (accessed June 8, 2012).
NFPA. 2011. NFPA 502: Standard for Road Tunnels, Bridges, and Other Limited Access Highways [online]. Available: http://www.nfpa.org/aboutthecodes/AboutTheCodes.asp?DocNum=502 (accessed June 9, 2011).
NRC (National Research Council). 2007. Human-System Integration in the System Development Process: A New Look. Washington, DC: National Academies Press.
OECD (Organisation for Economic Co-operation and Development). 2006. OECD Studies in Risk Management: Norway Tunnel Safety. Paris, France: OECD [online]. Available http://www.oecd.org/dataoecd/36/15/36100776.pdf (accessed June 19, 2011).
OSHA (Occupational Safety and Health Administration). 2003. Underground Construction (Tunneling). OSHA 3115-06R 2003. Washington, DC: OSHA [online]. Available: http://www.osha.gov/Publications/osha3115.pdf (accessed June 8, 2012).
Parsons, J. 2011. Virginia Pol Criticized Dulles Station Design, Labor Agreements. ENR, April 19, 2011 [online]. Available: http://enr.construction.com/infrastructure/transportation/2011/0419-DullesStationCriticized.asp (accessed April 20, 2011).