Biblio

K. G. Mason y Davis, C., «Simultaneous casing drilling system», Waterfront, pp. p. 8-9, 13: 2 fig., photogr., 1993.

M. L. Samayoa de Hernandez y Mendez, J. E. Echeverria, «Situacion de las condiciones sanitarias escolares : documento Guatemala», presented at the 1993-01-01, Guatemala, Guatemala, 1993, p. 62 p. : fig., map, photogr.

C. Berkoh, «Slow sand filtration water treatment», in Water, sanitation, environment and development : proceedings of the 19th WEDC conference, Accra, Ghana, 6-10 September 1993, 1993, pp. P. 93-95 : 5 tab.

K. D. Kerri, «Small water system operation and maintenance : a field study training program», vol. no. 1. California State University, Office of Water Programmes, Sacramento, CA, USA, p. x, 578 p. : fig., incl. 2 posters, 1993.

R. Carter, «Small-scale irrigation : the need for thorough feasbility studies», Waterlines, an international journal of water, sanitation and waste, pp. p. 12-14: 2 fig., photogr., 1993.

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

B. A. Hoque, «Soap, mud or ashes», Dialogue on diarrhoea, p. p. 4: photogr., 1993.

N. McKee, Social mobilization and social marketing in developing communities : lessons for communicators, 2nd ed.ª ed. Penang, Malaysia: Southbound, 1993, p. 208 p.: boxes, fig., photogr.

P. Wan, «Social mobilization for sanitation», in Water, environment and management : proceedings of the 18th WEDC Conference, Kathmandu, Nepal, 30 August - 3 September 1992, 1993, pp. P. 28-31: 3 fig.

A. Scharl y Harrs, K., «Solar distillation», vol. no. W11e. German Appropriate Technology Exchange (GATE) /Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ), Eschborn, Germany, p. 8 p. : 2 fig., 1993.

W. Akhtar, Ali, I., Ali, S. M., y Ali, S. A., «Solid waste management in a katchi abadi», in Water, environment and management : proceedings of the 18th WEDC Conference, Kathmandu, Nepal, 30 August - 3 September 1992, 1993, pp. P. 143-146: 2 tab.

C. Visvanathan, Muttamara, S., y Alwis, K. U., Solid waste recycling and reuse in Bangkok, vol. no. 33. Bangkok, Thailand: Environmental Systems Information Center, 1993, p. 48 p.: 8 fig., 19 tab., ill., photogr.

K. Bae Yu, Kim, Y. - J., y Hwang, C., «Solid waste site selection in Pundang, Korea», in Sustainable natural resource management and spatial planning in developing countries : geo-information technology perspective : selected papers presented at the International Seminar on Resource Management and Spatial Planning in Developing Countries : Ge, 1993, pp. P. 193-203: 4 fig., 1 tab.

B. C. Arimah y Ekeng, B. E., «Some factors explaining residential water consumption in a Third World city : the case of Calabar, Nigeria», Aqua : journal of water supply research and technology, pp. p. 289-294: 1 fig., 3 tab., 1993.

N. King, «Some for all?», Waterlines, an international journal of water, sanitation and waste, pp. p. 2-4: 1 fig., photogr., 1993.

R. D. Pejac, «Sources for Sana'a Water Supply (SAWAS - Project) : mission report : mission period 5 March - 12 March 1993». National Water and Sanitation Authority, Sana'a, Yemen, p. 7 p., 1993.

«Special issue : water resources», pp. p. i-iv, 1-58 : ill., 1993.

B. Mogane-Ramahotswa, «The spread effect of a pilot community project», in Water, sanitation, environment and development : proceedings of the 19th WEDC conference, Accra, Ghana, 6-10 September 1993, 1993, pp. P. 246-248.

S. R. Forero, «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.

B. D. U. N. I. C. E. F. - Dhaka y BD, D. P. H. E. Bangladesh, «The status of rural water supply and sanitation». UNICEF, Dhaka, Bangladesh, p. 22 p. : 1 box, 18 fig., 10 photogr., 1993.

M. Yhdego, «Storage, collection and disposal of Kariakoo market wastes in Dar es Salaam, Tanzania», Waste management & research, pp. p. 131-140: 4 fig., 2 tab., 1993.

P. B. Mabuba, «Strategies for effective community involvement», in Water, sanitation, environment and development : proceedings of the 19th WEDC conference, Accra, Ghana, 6-10 September 1993, 1993, pp. P. 240-242 : 1 fig.

C. Jenkins y Aubel, J., «A strategy for a community-based hygiene education and sanitation project : proposal for the Eastern Highlands Province, Papua New Guinea», vol. no. 399. Environmental Health Project (EHP), Arlington, VA, USA, p. vii, 42 p.: 3 fig., 2 boxes, 1993.

B. Kanki, Cousens, S., Mertens, T., Diallo, I., Traore, E., y Curtis, V., «Structured observations of hygiene behaviours in Burkina Faso : validity, variability, and utility», Bulletin of the World Health Organization, pp. p. 23-32: 5 tab/, 1993.

K. V. Ellis y Aydin, M. E., «A study of three slow sand filters at various flow rates with constant temperature», Aqua : journal of water supply research and technology, pp. p. 88-96: 5 fig., 4 tab., 1993.