Biblio

H. Lauterjung y Schmidt, G., Planning of intake structures. Braunschweig, Germany: Vieweg, 1989, p. 122 p.: fig., tab.

Y. - S. Fok, «Proceedings of the Fourth International Conference on Rain Water Cistern Systems : 2-4 August 1989, Manila, Philippines». Philippine Water Works Association, Quezon City, The Philippines, p. ca. 400 p. : fig., tab., 1989.

C. O. Universida Cali y IRC International Water and Sanitation Centre, The Hague, NL, «Proyecto integrado de investigacion y demostracion de metodos de pretratamiento para sistemas de abastecimiento de agua : reporte de progreso, febrero de 1989». Universidad del Valle, Facultad de Ingenieria, Cali, Colombia, p. 11 p. + 15 p. annexes: 8 photogr., 3 tab., 4 techn.drwgs, 1989.

J. T. Visscher, E. R., Q., J. M., L., A. C., G., R. Munoz, D., V., C. H. Cruz, y G. C., G., «Proyecto integrado de investigacion y demostracion en filtracion lenta en arena : informe final, version resumida». Centro Inter-Regional de Abastecimiento y Remocion de Agua, Cali, Colombia, p. 48 p.: fig., tab., 1989.

T. E. Manning, Cefis, G., y Mencarelli, E., «Pulsa solar water oscillation pumps», in Water, engineering and development in Africa : proceedings of the 15th WEDC Conference, Kano, Nigeria, 3-7 April 1989, 1989, pp. P. 88-91: fig.

W. K. Boehmer, «Rada water supply and sanitation project : visitor's report». Ilaco, Arnhem, The Netherlands, p. i, 13 p., 1989.

D. H. Waller, «Rain water : an alternative source in developing and developed countries», Water international, pp. p. 27-36 : tab., 1989.

A. Owoade, «Rainwater harvesting in Nigeria», in Water, engineering and development in Africa : proceedings of the 15th WEDC Conference, Kano, Nigeria, 3-7 April 1989, 1989, pp. P. 129-131: fig., tab.

A. K. Roy, «Review of low cost sanitation technologies in India : revised assignment report (Oct. 15, 1989 to Dec. 29, 1989 limited to 16 working days)». S.n., S.l., p. 83 p. : ill., 1989.

B. Brandberg, «The san plat system : a package for implementation of lowest cost sanitation in Malawi». UNDP Office for Project Services, New York, NY, USA, p. 11 p. + 5 p. annexes: fig., map, 1989.

P. Avery, Sediment control at intakes : a design guide. Bedford, UK: BHRA Fluid Engineering, 1989, p. x, 143 p.: fig.

W. - J. Ng, «Sequencing batch reactor (SBR) treatment of wastewaters», vol. no. 28. Environmental Sanitation Information Center, ENSIC, Bangkok, Thailand, p. 54 p.: fig., tab., 1989.

P. Boocock, «Simple village gravity water supply», in Water, engineering and development in Africa : proceedings of the 15th WEDC Conference, Kano, Nigeria, 3-7 April 1989, 1989, pp. P. 117-120: fig., tab.

J. T. Visscher y Wolters, H., «Slow sand filtration : a simple and reliable method to purify drinking water», AT source, pp. p. 20-26: fig., tab., 1989.

IRC International Water and Sanitation Centre, The Hague, NL y National Environmental Engineering Research Institute -Nagpur, IN, NEERI, «Slow sand filtration : phase IV final report». National Environmental Engineering Research Institute, NEERI, Nagpur, India, p. 118 p.: fig., tab., 1989.

H. Pfiffner, «Summary of the gravity water supply design and hydraulic correspondence course». Sarvodaya Rural Technical Services, Moratuwa, Sri Lanka, p. 47 p.: fig., 1989.

K. M. Minnatullah, Kjellerup, B., y Journey, W. K., «The Tara handpump : the birth of a star», vol. no. 1. World Bank, Washington, DC, USA, p. 35 p.: fig., tab., 1989.

S. G. Walesh, Urban surface water management. New York, NY, USA: Wiley, 1989, p. xvii, 517 p.: fig., tab.

G. A. Bridger, «Urban water supply and sanitation», vol. no. D2. National Water Supply and Drainage Board, Ratmalana, Sri Lanka, p. 2 vol. (various paging): fig., tab., 1989.

M. D. Lee y Nissen-Petersen, E., «The use of low-cost, self-help rain water cistern systems for community water supply in southern Kenya», in Proceedings of the Fourth International Conference on Rain Water Cistern Systems : 2-4 August 1989, Manila, Philippines, 1989, pp. P. B4-1 - B4-12 : 1 fig., 2 tab.

H. Dupriez y Chleq, J. - L., Vanishing land and water : soil and water conservation in dry lands. London, UK: Macmillan, 1989, p. vi, 117 p.: fig., photogr.

W. Fresenius, Schneider, W., Boehnke, B., y Poeppinghaus, K., Waste water technology : origin, collection, treatment and analysis of waste water. Berlin, Germany: Springer Verlag, 1989, p. ca. 1200 p.: fig., tab.

USAID -Washington, DC, US y Ratmalana, L. K. National W., Wastewater treatment, Draft., vol. no. D7. Ratmalana, Sri Lanka: National Water Supply and Drainage Board, 1989, p. vi, 89 p.: fig., tab.

G. A. Bridger, Water quality and treatment, vol. no. D3. Ratmalana, Sri Lanka: National Water Supply and Drainage Board, 1989, p. iv, 182 p.: fig., tab.

G. A. Bridger, Water service connections, vol. no. D-8. Ratmalana, Sri Lanka: National Water Supply and Drainage Board, 1989, p. ii, 93 p.: fig., tab.