Wood, M., «A handpump for Africa : the Afridev experience», Waterlines, an international journal of water, sanitation and waste, pp. p. 29-31: photogr., 1993.

Centre for Development of Rural Technology -Allahabad, IN, «Household sanitation facilities & school latrines-cum-urinals (cost estimate & drg.)». Centre for Development of Rural Technology, Allahabad, India, p. 9 p. : drwngs., 1993.

Alberts, H., Meza, R., Solis, D., y Rodriguez, M., «How the rope pump won in Nicaragua», Waterlines, an international journal of water, sanitation and waste, pp. p. 3-5: 2 tab., photogr., 1993.

UNICEF -Ha Noi, VN y Viet Nam. Ministry of Health -VN, «Huong dan ky thuat ve sinh moi thruong». Viet Nam, Ministry of Health, Hanoi, Viet Nam, p. 25 p. : drwngs., 1993.

Lang, J.S., Giron, J.J., Hansen, A.T., Rhodes Trussell, R., y Hodges, W.E., «Investigating filter performance as function of the ratio of filter size to media size», Journal American Water Works Association, pp. p. 122-130: 12 fig., 10 tab., 1993.

FINNIDA -Helsinki, FI, Kefinco -Helsinki, FI, y Kenya. Ministry of Water Development -KE, «Kenya-Finland Western Water Supply Programme : phase III (1989-1992) report». Kefinco, Helsinki, Finland, p. xi, 133 p.: 13 fig., 10 tab., 1993.

FINNIDA -Helsinki, FI, Kefinco -Helsinki, FI, y Kenya. Ministry of Water Development -KE, «Kenya-Finland Western Water Supply Programme : quarterly report (October - December, 1992)». Kefinco, Helsinki, Finland, p. ii, 25 p.: fig., tab., 1993.

Brasseur, C., «La pompe maraichere Rameur», Echos du COTA, pp. p. 11-14: 4 fig., 2 photogr., 1993.

Seidel, R. y Piller, A., «Lessons in creating a communication training video for health workers», in Notes from the field in communication for child survival, 1993, pp. P. 157-166 : photogr.

Abel, A.H. y Dohrman, S.V., «Makata pumpable VIP latrine block», in Water, sanitation, environment and development : proceedings of the 19th WEDC conference, Accra, Ghana, 6-10 September 1993, 1993, pp. P. 127-130 : 2 tech. drwngs.

Inversin, A., Harvey, A., Hettiarachi, P., y Brown, A., Micro-hydro design manuals : a guide to small-scale water power schemes. London, UK: IT Publications, 1993, p. 374 p.: fig., tab., photogr.

Lambert, R.A., «The need for and design of a pressurized discharge human-powered treadle pump», Water resources journal, pp. p. 90-97: 9 fig., 1993.

Pareja, R. y Salazar, E., «Production of a child health flipchart, by and for the community», in Notes from the field in communication for child survival, 1993, pp. P. 119-128 : ill., photogr.

Mathewson, I., «The rebirth of the hydraulic ram pump», Waterlines, an international journal of water, sanitation and waste, pp. p. 10-14: 6 fig., 1993.

Duque Munoz, R. y Collazos Penaloza, H., «Residuos solidos». Fundacion para la Investigacion sobre Residuos Solidos, Bogota, Colombia, p. 252 p.: fig., tab., 1993.

Pearce, G., «The role of small irrigation schemes in Africa», Waterlines, an international journal of water, sanitation and waste, pp. p. 19-22: photogr., 1993.

Evans, T., «The rope pump in Bolivia», Waterlines, an international journal of water, sanitation and waste, pp. p. 6-9: 2 fig., 2 tab., ill., 1993.

Wegelin, M. y Schertenleib, R., «Roughing filters for water treatment», IRCWD news, pp. p. 1-8: 7 fig., 1993.

Centre for Development of Rural Technology -Allahabad, IN, Soakage pit. Allahabad, India: Centre for Development of Rural Technology, 1993, p. 12 p. : drwngs.

Saenz Forero, R., «Stabilization ponds in the tropics : promotion of the sanitary reuse of water», Bulletin of the Pan American Health Organization, pp. p. 215-223: 2 fig., 6 tab., 1993.

Holzhaus, P. y Versteeg, N., «Township water supply Zambia». Delft University of Technology, CICAT, Delft, The Netherlands, p. 222 p. : fig., tab., 1993.

Namibia. Ministry of Agriculture, Water and Rural Development -NA y FINNIDA -Helsinki, FI, «Water supply and sanitation project in Ohangwena region : work plan 1994». FINNIDA, Ministry of Foreign Affairs, Helsinki, Finland, p. 24 p. : tab., 1993.

Danhof, N. y Gielen, M., «Wood : a local option for handpump bearings», Waterlines, an international journal of water, sanitation and waste, pp. p. 23-25: 5 fig., 1993.

Corcos, G., Air in water pipes : a manual for designers of spring supplied gravity-driven drinking water rural delivery systems. Berkeley, CA, USA: Agua para la Vida, 1992, p. 71 p.: fig., tab.

WHO. Regional Office for the Eastern Mediterranean -Alexandria, EG, EMRO, «Design and construction, operation and maintenance and performance monitoring of El Nazlah sewage treatment plant». World Health Organization Eastern Mediterranean Regional Office, Alexandria, Egypt, p. 113 p.: fig., tab., tech. drwngs, photogr., 1992.