Slow sand filtration /

Bibliographic Details
Main Authors:	Huisman, L. (Author, Autor/a), Wood, W. E. (Autor/a)
Format:	Book
Language:	English
Published:	Geneva, Suiza : World Health Organization, c1974.
Subjects:	BIODEGRADACION DEL AGUA AGUA FILTRACION PURIFICACION DEL AGUA

Description
Physical Description:	122 páginas : ilustraciones
ISBN:	9241540370

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