Biblio

D. Saywell y Cotton, A., On-plot sanitation in low-income urban communities : guidelines for selection. Loughborough, UK: Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, 1998, p. xii, 140 p. : boxes, ill., tab.

D. Saywell, Franceys, R., Pickford, J., y Cotton, A., On-plot sanitation in low-income communities : a review of literature. Loughborough, UK: Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, 1995, p. 79 p.: 15 fig., 4 photogr., 4 tab.