1. U.S. FDA.An Important Message for Pregnant Women and Women of ChildbearingAge Who May Become Pregnant about the Risks of Mercury in Fish;U.S. Food and Drug Administration:College Park, MD, 2003; http://www.cfsan. fda.gov/∼dms/admehg.html.
2. U.S. EPA. Clean Air Mercury Rule;U. S. Environmental Protection Agency:Washington, DC, 2005; http://www.epa.gov.
3. Hyun, J.Characteristics of In-situ Generated Titania and Structural Effect on Elemental Mercury Capture Efficiencies. M.S. Thesis,Yonsei University,Seoul, Korea, 2004
4. Chemistry, spectroscopy and the role of supported vanadium oxides in heterogeneous catalysis