Slow sand filtration
Subtitle: project report - phase 1
By: project undertaken by National Environmental Engineering Research Institute, Nagpur (India)
Contributors: WHO International Reference Centre for Community Water Supply.
Publisher: The Institute
Published: 1977
Place of publication: Nagpur
Language: eng
Subjects: Water -- Purification -- Filtration.
Notes: In collaboration with WHO International Reference Centre for Community Water Supply, The Hague.

Includes bibliographical footnotes.