1. Biogeochemical evolution of domestic wastewater in septic systems: 1. Conceptual model;Wilhelm;Ground Water,1994
2. Septic tank wastewater disposal systems as phosphorus sources for surface waters;Jones;J Water Pollut Control Fed,1979
3. Peavy HS, Groves KS. 1978. The influence of septic tank drainfields on groundwater quality in areas of high groundwater. Proceedings, 2nd National Home Sewage Treatment Symposium, American Society of Agricultural Engineers, Chicago, IL, December 12-19, 1977, pp 218-225.
4. Fate of nitrogen and phosphorus in soils under septic tank waste disposal fields;Sikora;Trans ASAE,1976