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Slow sand filtration /

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Bibliographic Details
Main Author: Huisman, L.
Other Authors: Wood, W. E.
Format: Microform Book
Language:English
Published: Geneva : World Health Organization, 1974.
Series:AT microfiche reference library ; 16-376.
Subjects:
Water > Purification > Filtration.
Description
Item Description:Includes index.
Microform.
Physical Description:122 pages : illustrations ; 24 cm.
Bibliography:Bibliography: page 116.
ISBN:9241540370