1. Standard Methods for the Examination of Water and Wastewater;APHA,1981
2. Arsenic removal from potable water;Bellack;J. Am. Wat. Wks Assn.,1971
3. Chromatography;Browning,1969
4. Sorption of germanium(IV) and arsenic(III) by a fluidized bed of activated carbon modified by iron(III) hydroxide and tartaric acid;Evdokimov;Zh. Prikl. Khim. Leningrad,1973
5. Chemical forms of arsenic in water supplies and their removal;Ferguson,1974