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Sanitary surveillance in Costa Rica's municipalities
. , pp.p. 6-9 : 1 fig., 3 photogr., 2 tab. Available at:
Published on: 30/12/2004
SODIS : an emerging water treatment process
. , pp.p. 127-137 : 10 fig., 11 tab.
Published on: 01/01/1970
This article is a synthesis of laboratory and field research on solar water disinfection (SODIS) which has been carried out by SANDEC (Switzerland)...