1986
M. Wegelin,
“Horizontal-flow roughing filtration (HRF) : a design, construction and operation manual”, vol. no. 06/86. International Reference Centre for Waste Disposal, Duebendorf, Switzerland, p. 142 p. in various pagings: fig., tab., 1986.
“Hypochlorination”, in
The handbook of chlorination, 1986, pp. P. 62-119 : fig., tab.
D. K. C. C. K. K. - Copenhagen, Copenhagen, D. K. D. A. N. I. D. A. -, and TZ, T. -,
“Implementation of water master plans for Iringa, Ruvuma and Mbeya regions : group scheme re-evaluation 1984”. DANIDA, Ministry of Foreign Affairs, Copenhagen, Denmark, p. 16 p.: loose maps, 1986.
D. K. C. C. K. K. - Copenhagen, Copenhagen, D. K. D. A. N. I. D. A. -, and TZ, T. -,
“Implementation of water master plans for Iringa, Ruvuma and Mbeya regions : hydrology - low flow gaugings 1985”. DANIDA, Ministry of Foreign Affairs, Copenhagen, Denmark, p. 21, 28 p.: fig., tab., 1986.
R. O. Lucas,
The influence of compaction on the stability of lateritic earthfill dams, vol. no. 40. Tampere, Finland: Tampere University of Technology, 1986, p. xi, 185 p. : fig., tab.
WHO -Geneva, CH, World Health Organization,
“Institutional development in community water supply and sanitation : report of an informal consultation, Geneva, 18-22 November 1985”. World Health Organization, Community Water Supply & Sanitation Unit, Geneva, Switzerland, p. 24 p.: fig., tab., 1986.
J. A. Barberis,
International groundwater resources law, vol. no. 40. Rome, Italy: Food and Agriculture Organization (FAO), 1986, p. vii, 67 p.
M. R. Khan, Khan, M. U., Hossain, B., Ahmed, Q. S., and Sack, D. A.,
“Intervention of transmission of cholera by using alum in domestic water”, in
Proceedings of workshop on water and sanitation intervention related to diarrhoeal disease in Bangladesh, December 17-19, 1985, 1986, pp. P. 32-37: tab.