American Public Health Association, and American Water Works Association: Standard Methods for the Examination of Water and Sewage, ed. 9, New York, 1946.
3.
Taras, M.J., Cisco, H.D., and Garnell, M.: Interferences in Alizarin Method of Fluoride Determination, J. Am. Water Works Assoc. 42: 583, 1950.
