Water environment research
Water environment research [microform].
- Alexandria : Water Environment Federation, 1928-
- 23 microfilms reel ; 35 mm.
- Vol.41, (Jan-Dec 1969)- Vol.61, (Jan-Aug 1989)
Requires the use of a microfilm reader. = Water environment research
Water quality management--Periodicals.
Sewage--Purification--Periodicals.
Water--Pollution--Periodicals.
Requires the use of a microfilm reader. = Water environment research
Water quality management--Periodicals.
Sewage--Purification--Periodicals.
Water--Pollution--Periodicals.