Biblio

J. A. Winter, Budde, W. L., y Novielli, F., «Quality assurance and quality control for drinking water laboratories», Journal American Water Works Association, pp. p. 56-62: 3 tab., 1 photogr., 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.

J. A. Faby y Eleli, A. A., «Utilisation de la graine de moringa : essais de floculation au laboratoire et en vraie grandeur». Comite Interafricain d'Etudes Hydrauliques (CIEH), Ouagadougou, Burkina Faso, p. v, 132 p.: fig., tab., 1993.

V. Aalto, Omwenga, J., y Lengube, G., «Water defluoridation (deflouridation) with modified ion exchange», in Water, sanitation, environment and development : proceedings of the 19th WEDC conference, Accra, Ghana, 6-10 September 1993, 1993, pp. P. 87-89.

J. Reynolds, «Handpumps : toward a sustainable technology : research and development during the Water Supply and Sanitation Decade», vol. no. 5. World Bank, Water and Sanitation Division, Washington, DC, USA, p. viii, 153 p.: fig., tab., 1992.

J. van der Heide y Dijkstra, I. T., Metodologia de potabilizacion de agua superficial en Nicaragua, vol. no. 41. Delft, The Netherlands: Delft University of Technology, Department of Civil Engineering, 1992, p. 2 vol.

N. S. Rawat y Singh, D., «Removal of chromium (VI) on bituminous coal», Asian environment, pp. p. 30-41: 10 fig., 6 tab., 1992.

Y. Yemarshet, Treatment of tanning industry wastewaters using anaerobic processes, vol. no. 51. Tampere, Finland: Tampere University of Technology, Institute of Water and Environmental Engineeri, 1992, p. 49 p. : 19 fig., 5 tab.

G. Madhu, George, K. E., y Francis, D. J., «Use of natural polyelectrolytes in the treatment of effluents from centrifuge rubber latex concentration units», Asian environment, pp. p. 1-12: 1 fig., 8 tab., 1992.

J. Pasanen, «Zanzibar urban water supply project : environmental report». Plancenter, Helsinki, Finland, p. 10 p. + 8 annexes, 1992.

J. Garcia y Gutierrez, E., «Adiestramiento para la prevencion y control de las enfermedades gastrointestinales en el sector agua : organizacion del trabajo y muestreo en campo», vol. no. 4. Instituto Mexicano de Tecnologia del Agua, Mexico City, Mexico, p. iv, 64 p. : 9 fig., 3 tab., 1991.

F. M. Anorve y Lopez, R., «Adiestramiento para la prevencion y control de las enfermedades gastrointestinales en el sector agua : determinacion de cloro residual», vol. no. 6. Instituto Mexicano de Tecnologia del Agua, Mexico City, Mexico, p. 12 p. : 2 photogr., 1991.

A. M. Sandoval, «Adiestramiento para la prevencion y control de las enfermedades gastrointestinales en el sector agua : identificacion y cuantificacion de vibrio cholerae», vol. no. 8. Instituto Mexicano de Tecnologia del Agua, Mexico City, Mexico, p. 50 p. : photogr., tab., 1991.

V. Navarrete, Perez, S., y Garcia, J., «Adiestramiento para la prevencion y control de las enfermedades gastrointestinales en el sector agua : habilitacion de un laboratorio de emergencia», vol. no. 5. Instituto Mexicano de Tecnologia del Agua, Mexico City, Mexico, p. 42 p. : fig., photogr., 1991.

A. M. Sandoval y Carlos, G., «Adiestramiento para la prevencion y control de las enfermedades gastrointestinales en el sector agua : determinacion de coliformes fecales», vol. no. 7. Instituto Mexicano de Tecnologia del Agua, Mexico City, Mexico, p. 26 p : 1 photogr., tab., 1991.

M. T. Martins, Myaki, D. M., Pellizari, V. H., Adams, C., y Bossolan, N. R. S., «Comparison of the presence-absence (P-A) test and conventional methods for detection of bacteriological water quality indicators», Water resources, pp. p. 1279 - 1283 : tab., 1991.

M. Wegelin, Schertenleib, R., y Boller, M., «The decade of roughing filters : development of a rural water-treatment process for developing countries», Aqua : journal of water supply research and technology, pp. p. 304-316: 17 fig., 2 tab., 1991.

J. Singano, «Defluoridation of drinking water by using magnesia and polyaluminium chloride», vol. no. 48. Tampere University of Technology, Institute of Water and Environmental Engineeri, Tampere, Finland, p. 77 p.: 14 fig., 38 tab., 1991.

G. J. Alaerts, Buiteman, J. P., y Ahsan, T., «Direct horizontal-flow roughing filtration : an improved pretreatment process for highly turbid water». p. 14 p. : tab., fig., 1991.

P. P. Mowli, «Drumstick seed as a coagulant», in Infrastructure for low-income communities : proceedings of the 16th WEDC conference : Regional Centre for Urban and Environmental Studies (RCUES), Osmania University, Hyderabad, India, 27-31 August, 1990, 1991, pp. P. 131-134: 1 fig., 2 tab.

S. Kawamura, «Effectiveness of natural polyelectrolytes in water treatment», Journal American Water Works Association, pp. p. 88-91: 5 fig., 2 tab., 1991.

R. D. Faulkner y Lambert, R. A., «Household pumps from the informal sector», in Infrastructure, environment, water and people : proceedings of the 17th WEDC Conference, United Nations Centre for Human Settlement (Habitat), Nairobi, Kenya, 19-23 August 1991, 1991, pp. P. 185-188: 2 fig., 1 tab.

C. C. Mbigha y Nalluri, C., «Mathematical simulation of reciprocating handpump performance», Aqua : journal of water supply research and technology, pp. p. 281-290: 10 fig., 1 tab., 1991.

«Pollution effects of brewery wastes : Ruaraka river», in Infrastructure, environment, water and people : proceedings of the 17th WEDC Conference, United Nations Centre for Human Settlement (Habitat), Nairobi, Kenya, 19-23 August 1991, 1991, pp. p. 17-20: 5 fig., 1 tab.

F. O. Otieno y Kilani, J. S., «RBC or porous pots for textile wastes treatment», in Infrastructure, environment, water and people : proceedings of the 17th WEDC Conference, United Nations Centre for Human Settlement (Habitat), Nairobi, Kenya, 19-23 August 1991, 1991, pp. P. 171-174: 2 tab.