Biblio

G. R. Pyper, «Slow sand filter and package treatment plant evaluation : operating costs and removal of bacteria, Giardia and trihalomethanes by McIndoe Fall fire district 3, McIndoe Falls, Vermont 05050». US Environmental Protection Agency (EPA), Cincinnati, OH, USA, p. xiv, 182 p.: fig., tab., 1985.

T. A. Dillaha y Zolan, W. J., «A comparative laboratory study of sewage treatment by a capillary siphon trench system versus a conventional leaching trench system». University of Guam, Guam, p. vii, 18 p.: fig., tab., 1984.

H. P. Sharma, «Performance of horizontal flow prefilter using coconut fiber». Asian Institute of Technology, Bangkok, Thailand, p. III, 54 p.: Fig., tab., 1984.

L. K. McConnell, Sims, R. C., y Barnett, B. B., «Reovirus removal and inactivation by slow-rate sand filtration», Applied and environmental microbiology, pp. p. 818-825, 1984.

R. F. Carroll, «Improving the pit latrine», in Water and waste engineering in Africa : proceedings of the 6th WEDC Conference 24-28 March 1980 at Ahmadu Bello University, Zaria, Nigeria, 1981.

S. K. Runyoro, «Pit latrine emptying». Loughborough University of Technology, Department of Civil Engineering, Loughborough, UK, p. viii, 94 p.: fig., tab., 1981.

IWSA -London, GB, International Water Association, «13th International water distribution congress and exhibition = 13e Congres et exposition internationaux des distributions d'eau». IWSA (International Water Services Association), London, UK, p. 1 portfolio, 1980.

O. J. Sproul, «Critical review of virus removal by coagulation processes and pH modifications». US Environmental Protection Agency (EPA), Municipal Environmental Research Laboratory, Cincinnati, OH, USA, p. ix, 39 p., 1980.

W. M. Lewis, Developments in water treatment - 2. London, UK: Applied Science Publishers, 1980, p. xii, 228 p. : fig., tab.

R. B. Gauntlett, «A literature review of CO2 removal by aeration», vol. no. 131. Water Research Centre, Medmenham, UK, p. 37 p., 1980.

W. Driehaus, «Arsenic removal : solutions for a world wide health problem using iron based adsorbents». GEH Wasserchemie GmbH & Co. KG, Osnabruck, Germany, p. 9 p. : 7 fig., 1 tab. .

N. Tandukar, «Scenario of arsenic contamination in groundwater of Nepal». Nepal, Department of Water Supply and Sewerage, Kathmandu, Nepal, p. 6 p. : 5 fig.