1. Carley, B. N. and Mavinic, D. S., “The Effects of External Carbon Loading on Nitrification and Denitrification of a High-Ammonia Landfill Leachate,”Res. J. Wat. Pollut. Control Fed.,63, 51 (1991).
2. Ekama, G. A., Marais, V. R. and Siebrits, I. P., “Biological Excess Phosphorus Removal,” In Theory, Design and Operation of Nutrient Removal Activated Sludge Processes, Chapter 7, Water Research Commission, Pretoria, South Africa (1984).
3. Gerber, A., Mostert, E. S., Winter, C. T. and deVilliers, R. H., “Interactions between Phosphate, Nitrate and Organic Substrate in Biological Nutrient Removal Processes,”Wat. Sci. Tech.,19, 183 (1987).
4. Manoharan, R., Liptak, S., Parkinson, P., Mavinic, D. and Randall, C. W., “Denitrification of a High-Ammonia Leachate using an External Carbon Source,”Environ. Tech.,10, 701 (1989).
5. Park, T.J., Lee, K. H., Kim, D.S. and Kim, C. W., “Operation Characteristics of an Aerobic Submerged Fixed-Film Reactor in a High Organic Loading,”J. KSEE,17(5), 471 (1995).