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Contaminación de pozos de la campiña de Córdoba. I. Estudio microbiológico
(Universidad de Córdoba, Servicio de Publicaciones, 1979)
Fecal contamination in 62 wells located in the villages of the Campifia of Cordoba has been studied. According to the W. H. O. norms, water in 58 per cent of the analysed wells must be considered undrinkable owing to the ...