1. A biological trickling filter system for water reuse in trout rearing;Anderson;Minnesota Department of Natural Resources, Investigational Report 322,1974
2. The use of plastic material as a medium for trickling filters treating domestic sewage;Audoin;Advances in Water Pollution Research,1971
3. Nitrogen relationships in biological treatment process. II. Nitrification in trickling filters;Balakrishnan;Wat. Res.,1969
4. Organic removal by a selected trickling filter media;Balakrishnan;Water and Wastes Eng.,1969
5. Kinetics of nitrite oxidation by Nitrobacter winogradski;Boon;Biochem. J.,1962