1. Trace organic removal by anion exchange resins;Anderson;J. Am. Wat. Wks Ass.,1979
2. Activated carbon versus resin adsorption of humic substances;Boening;J. Am. Wat. Wks Ass.,1980
3. The removal of humic substances from drinking water by ion exchange;Halle,1983
4. Examination of the applicability of cellulose ion exchangers for water and waste water treatment;Jørgensen;Wat. Res.,1979
5. Humic acid removal with macroreticular ion exchange resins at Hannover;Kölle,1979