1. U.S. Environmental Protection Agency, Mercury Study Report to Congress, Volume I: Executive Summary, Office of Air Quality Planning and Standards and Office of Research and Development, EPA-452/R-97-003, December 1997.
2. Mercury speciation in coal combustion and gasification flue gases;Galbreath;Environ. Sci. Technol.,1996
3. D.L. Laudal, K.C. Galbreath, M.K. Heidt, A state-of-the-art review of flue gas mercury speciation methods, Electric Power Research Institute, Palo Alto, CA, November 1996, EPRI Report No. TR-107080.
4. Atmospheric mercury — a review;Lindqvist;Tellus,1985
5. Distribution, speciation, and budget of atmospheric mercury;Slemr;J. Atmos. Chem.,1985