Operational variables and limitations of direct filtration
By: by W.R. Hutchison.
Series: Research report / Ministry of the Environment ;; no. W54; Research report (Ontario. Ministry of the Environment) ;; no. 54.
Publisher: Ministry of the Environment
Published: 1975
Place of publication: Toronto, Ont
Language: eng
Number of pages: 118
Subjects: Water -- Purification -- Direct filtration.
Other titles: Direct filtration.
Notes: Bibliography: p. 115-118.
"January 1975."