D. Saywell,
«Pit latrine network newsletter». Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK.
S. Africa. De ZA,
«Sanitation technology options». South Africa, Department of Water Affairs and Forestry, Pretoria, South Africa, p. 30 p.; ill.; techn. drwng; tab.; fig.
I. Rajiv Gand IN,
«Technology options for household sanitation ». Rajiv Gandhi National Drinking Water Mission, New Delhi, India, p. 40 p. : 7 boxes, 39 fig., photographs.
Australian Agency for International Development -Canberra, ACT, AU, AusAid y Water and Sanitation Program -Washington, DC, US, WSP,
«Urban sewerage and sanitation : 30 years of experience and lessons». Water and Sanitation Program, WSP, Washington, DC, USA, p. v, 59 p. : 5 fig., 8 tab.
V. Lazarova,
«Wastewater reuse : a sustainable water resource in the Middle East and Africa». Suez Lyonnaise des Eaux, Technology and Research Centre (CIRSEE), Le Pecq, France, p. 17 p. : 9 fig., 3 tab.