J. E. Turner and Romm, J. K.,
“Care/Bolivia water supply and small scale irrigation program : a final evaluation of the USAID-financed project”, vol. no. 162. Water and Sanitation for Health Project (WASH), Washington, DC, USA, p. ix, 137 p.: ill., map, photogr., tab., fig., 1986.
P. Johansson,
“Plungerseals”. Lund University, Institute of Technology, Department of Environmental Engineering, Lund, Sweden, p. 17 p., 1986.
L. H. Belz,
“Precasting fibrous ferrocement sanitary units”. Lloyd H. Belz, Nuku'alofa, Tonga, p. 46 p.: photogr., techn. drwgs, 1986.
A. Appan, Wing, L. Kam, and Latham, B.,
“Rainwater catchment : status and research priorities in the Southeast Asian region : proceedings of the regional seminar and workshop held in Khon Kaen, Thailand, 29 November to 3 December 1983”, vol. 127e. International Development Research Centre (IDRC), Ottawa, Ont, Canada, p. 246 p.: fig., photogr., tab., 1986.
R. A. Lambert,
“The rope-washer pump : a manual”. Robert A. Lambert, Harare, Zimbabwe, p. 20 p.: fig., 1986.