1U.S.Department of Transportation.Vision For High Speed Rail In America. . 2009
2Moudon,A.V.et al.Effects of Site Design on Pedestrian Travel in MixedUse,Medium-Density Environments. Transportation Research . 1997
3Reid Ewing,Keith Bartholomew,Steve Winkelman,Jerry Walters,Don Chen.Growing Cooler:The Evidence on Urban Development and Climate Change. . 2007
4Department for Transport.Low Carbon Transport:a Greener Future. . 2009
5EIA (US Energy Information Administration).International Energy Outlook 2007 with Projections to 2030. http://www.eia.doe.gov///oiaf/aeo/index.html . 2009
6EIA (US Energy Information Administration).International Energy Outlook 2007 with Projections to 2030. http://www.eia.doe.gov///oiaf/aeo/index.html . 2009