Second Seminar on Wastewater Treatment in Urban Areas, 6-8 September 1987, Visby, Sweden.
Contributors: Baltic Marine Environment Protection Commission.
Series: Baltic Sea environment proceedings,; no. 30
Publisher: Baltic Marine Environment Protection Commission, Helsinki Commission
Published: 1989
Place of publication: Helsinki
Language: eng
Number of pages: 215
Subjects: Sewage disposal -- Europe -- Congresses.; Sewage -- Purification -- Congresses.
Notes: Includes bibliographical references.
"April 1989."