1. Trace Elements in Human and Animal Nutrition;Underwood,1971
2. FWPCA, Report of the Committee on Water Quality Criteria, Fed. Water Pollut. Contr. Admin., U.S. Dept. of Interior, 1968.
3. Removal of dissolved molybdenum from wastewaters by precipitates of ferric iron;LeGendre;Environ. Sci. Technol.,1975
4. USEPA, Targeted National Sewage Sludge Survey Sampling and Analysis Technical Report, EPA-822-R-08-016, U.S. EPA, Office of Water, Washington, DC, 2009, p. 39.
5. USEPA, Groundwater Standards for Remedial Actions at Inactive Uranium Processing Sites, 40 CFR Part 192. Federal Register, Washington, DC, 1995, p. 2856.