1. Levels of mercury in the Tucurui Reservoir and its surrounding area in Para, Brazil;Aula,1994
2. Mercury in water and sediment of Steamboat Creek. Nevada: implications for stream restoration;Blum;J. Am. Water Res. Assoc.,2001
3. Soil Environmental Background Value of Elements in the People’s Republic of China;Chinese Environmental Monitoring Center,1992
4. Dai, Q., 2004. Environmental geochemistry study of mercury contamination from gold mining areas by amalgamation technique in China—a case study from Tongguan county of Shaanxi Province. Master’s Thesis, Institute of Geochemistry, Chinese Academy of Sciences.
5. Mercury contaminations from gold mining using amalgamation technique in Xiaoqinling Region, Shanxi Province, PR China;Dai;J. Phys.,2003