Geoscience Reference
In-Depth Information
US Department of Transportation (USDOT) Federal Highway Administration (2002) Freight
US Department of Transportation (USDOT), Research and innovative technology administration
(RITA) and Bureau of transportation statistics (BTS) (2005) Transportation Statistics Annual
Report. Washington, DC,
http://www.bts.gov/publications/transportation_statistics_annual_
Zhang Z, Shi M (2009) Spatial linkage of manufacturing industries in China: based on inter-
regional input-output analysis. Proceedings of the 17th international conference on input-
output techniques.
http://www.iioa.org/conferences/17th/papers.html