Sterling, R.L., and J.P. Godard. 2000. Geoengineering considerations in the optimum use of underground space. Pp. 708-720 in GeoEng2000: An International Conference on Geotechnical & Geological Engineering, Vol.1: Invited Papers. International Tunnelling and Underground Space Association [online]. Available: (accessed April 6, 2011).

Sterling, R., H. Admiraal, N. Bobylev, H. Parker, J.P. Godard, I. Vähäaho, C.D.F. Rogers, X. Shi, and T. Hanamura. 2012. Sustainability issues for underground spaces in urban areas. Proceedings of ICE - Urban Design and Planning. Available at

Széchy, K. 1970. The Art of Tunnelling. Budapest: Akademia Kiado.

UN (United Nations). 1987. Report of the World Commission on Environment and Development. General Assembly. A/RES/42/187. United Nations [online]. Available: (accessed April 6, 2011).

U.S. Census Bureau. 2011. The 2012 Statistical Abstract: The National Data Book [online]. Available: (accessed August 4, 2011). Wood, A.M. 2000. Tunneling: Management by Design. London: E & FN Spon.

The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement