1. Trace elements in geogas and their relation to bedrock composition;Kristiansson;Geoexploration,1987
2. Characteristics of element dispersion and geochemical exploration for concealed ore deposits overlain by loess and red soil in eastern Gansu Province, China;Ren;Journal of Geochemical Exploration,1995
3. Progress in the collection of geogas in China;Wang;Geochemistry: Exploration, Environment, Analysis,2008
4. The Mineralization Geochemistry of the Wangjiazhuang Copper Deposit in Zouping County, Shandong Province, and a Discussion on its Genesis;Zhang;Geological Review,2008
5. The characteristics of geogas anomalies in Lashuixia Cu-Ni deposit, Qinghai;Zhao;Qinghai Science and Technology,2007