Highlights, fourth International Water Quality Symposium
By: sponsored cooperatively by Water Conditioning Association International, Water Conditioning Research Council, American Society of Agricultural Engineers.
Contributors: Water Conditioning Association International.; Water Conditioning Research Council.; American Society of Agricultural Engineers.
Publisher: The Association
Published: 1968
Place of publication: [Wheaton, Ill
Language: eng
Number of pages: 47
Subjects: Water quality -- Congresses.
Notes: Cover title.

Held Aug. 14, 1968.