1. The relationship between the shaping of the Maowusu Desert and utility of land in the Six Barbarous States in the Tang dynasty;Ai;Journal of Shaanxi Normal University,2004
2. Excavation report of the Xinhua site, Shenmu;Archaeology institute of Shaanxi province,2005
3. An introduction to the historical geography of Han China;Ballas;Professor Geography,1968
4. Problem of sand bar along the Frontier Wall in the halfway of Yan-sui Road in Wanli Period of the Ming dynasty;Cao;Journal of Inner Mongolia Normal University,2004
5. The dry Holocene megathermal in Inner Mongolia;Chen;Palaeogeography, Palaeoclimatology, Palaeoecology,2003