1. Removal of Iron and Manganese from Low Alkalinity Waters;Robinson;Public Works,1968
2. Oxygenation of Ferrous Iron;Stumm;Indus. Eng. Chem.,1961
3. Iron and Manganese Precipitation in Low Alkalinity Ground Waters;Robinson;Water and Sewage Works,1968
4. Iron and Manganese Removal;Applebaum;Water and Sewage Works,1956