1. ^{{cite journal|author1=Guangle Qiua |author2=Xinbin Fenga |author3=Shaofeng Wanga |author4=Tangfu Xiaoa |title=Mercury contaminations from historic mining to water, soil and vegetation in Lanmuchang, Guizhou, southwestern China|journal=Science of the Total Environment|date=September 1, 2006|volume=368|issue=1|pages=56–68|doi=10.1016/j.scitotenv.2005.09.030|pmid=16216311 |url=http://www.sciencedirect.com/science/article/pii/S0048969705006303|accessdate=January 14, 2015|quote=Selected papers from the 7th International Conference on Mercury as a Global Pollutant, Ljubljana, Slovenia June 27 - July 2, 2004}}
2. ^{{cite journal|author1=Kung-Ping Wang|title=Mineral Resources of China: With Special Reference to the Nonferrous Metals|journal=Geographical Review|date=October 1944|volume=34|issue=4|pages=621–635|jstor=210032|doi=10.2307/210032}}