An illustrated key to the British freshwater ciliated protozoa commonly found in activated sludge
By: by C. R. Curds.
Series: Water pollution research technical paper; no. 12
Publisher: H.M.S.O.
Published: 1969
Place of publication: London
Language: eng
Number of pages: 90
Subjects: Ciliata -- Great Britain -- Identification.; Freshwater protozoa -- Great Britain.
Notes: Bibliography: p. 85-88.