[1]China Communications Second Highway Survey Design and Research Institute (CCSHSDRI),1996. Highway Design Handbook: Subgrade (2nd edn.). Beijing: China Communic
The 30th International Geographical Congress (IGC) was held on August 16-20 in Glasgow, the United Kingdom. Approximately 2000 geographers from more than 80 cou
In this study the arable land changes in two counties (Zigui and Xingshan) in the Three Gorges Reservoir area in China are investigated. The statistical data fT