1. Arctic mercury releases inventory. Prepared for the Arctic Council by Danish Environmental Protection Agency;Arctic Council Action Plan (ACAP),2005
2. Guangzhou/ Shenzhen/ Zhuhai/ Foshan/ Jiangmen/ Dongguan/ Zhongshan/ Huizhou/ Zhaoqing Statistical Yearbook;Bureau of Statistics of Guangzhou/ Shenzhen/ Zhuhai/ Foshan/ Jiangmen/ Dongguan/ Zhongshan/ Huizhou/ Zhaoqing, Guangdong Province, P.R. China,2009
3. Formation and use of coal combustion residues from three types of power plants burning Illinois coals;Demir;Fuel,2001
4. Agricultural statistical yearbook of Guangdong;Editorial Committee of Agricultural Statistical Yearbook of Guangdong (ECASYG),2009
5. An introduction to the bootstrap;Efron,1993