1. Anderson D., Siegrist R. L. and Otis R. J. (1985) Technology assessment of intermittent sand filters USEPA-Munisipal Environ. Res. Lab. Cincinnati, OH, USA
2. Movement and retention of Klebsiella aerogenes in soil columns;Bitton;Plant Soil,1974
3. Dynamic behavior of intermittent buried filters;Boller;Wat. Sci. Tech.,1993
4. Bouma J., Baker F. G. and Veneman P. L. M. (1974) Measurement of water movement in soil pedons above the water table. In Information circular no. 27 University of Wisconsin
5. Bouma J., Ziebell W. A., Walker W. G., Olcott P. G., McCoy E. and Hole F. D. (1972) Soil adsorption of septic tank effluent. A field study of some major soils in Wisconsin. In Information circular no. 20 University of Wisconsin