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Biblio

Found 17 results
Filters: Keyword is biological quality  [Clear All Filters]
2003
A. Anema y Fesselet, J. - F., «A volcanic issue - lessons learned in Goma», Waterlines, an international journal of water, sanitation and waste, pp. p. 9-11 : 3 photogr., 2003.
1998
T. H. Y. Tebbutt, Principles of water quality control, 5th ed.ª ed. Oxford, UK: Butterworths-Heinemann, 1998, p. viii, 280 p. : fig., ill., tab.
1996
D. Chapman, Water quality assessments : a guide to the use of biota, sediments and water in environmental monitoring, 2nd ed.ª ed. London, UK: Chapman and Hall, 1996, p. xxi, 626 p.: fig., tab.
1995
T. Mehner y Benndorf, J., «Eutrophication : a summary of observed effects and possible solutions», Aqua : journal of water supply research and technology, pp. p. 35-44: 3 tab., 2 fig., 1995.
J. Lewis y Mourits, L. J. M., «Water resource investigations on Cicia». Fiji, Department of Mineral Resources, Suva, Fiji, p. x, 61 p. + annexes (ca 15 p.): 18 fig., map, 15 tab., 1995.
1994
B. (Province) PK, «Hand dug well improvement, traditional water storage and biological water quality», vol. no. 1. Pakistan, Local Government & Rural Development Dept., Water & Sanitation Cell, Quetta, Pakistan, p. 16: 1 fig., 6 tab., 1994.
1992
B. J. Lloyd y Guerrero, M., «Using biotic indicators to assess water quality in Peru», Waterlines, an international journal of water, sanitation and waste, pp. p. 5-8: 4 fig., 2 tab., photogr., 1992.
1988
M. J. D. Graham, Slow sand filtration : recent developments in water treatment technology. Chichester, UK: Ellis Horwood, 1988, p. ix, 412 p.: fig., tab.
1987
D. D. Mara, Silva, S. A., y de Oliveira, R., «The performance of a series of five deep waste stabilization ponds in Northeast Brazil», in International conference on waste stabilization ponds, Lisbon, Portugal, 1987 : preprints, 1987, pp. P. 1.57 - 1.60.
1985
P. Edwards, Aquaculture : a component of low cost sanitation technology, vol. no. 3. Washington, DC, USA: World Bank, 1985, p. xii, 45 p.: fig., photogr.
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