-
21
Journal (Water Pollution Control Federation)
Published 1928“…Washington, D.C. : Water Pollution Control Federation,…”
-
22
-
23
Sewer changes for wastewater collection and treatment : a survey/
Published 1982“…Washington, D C : Water Pollution Control Federation,…”
-
24
Simplified laboratory procedures for waste water examination /
Published 1985“…Washington, D C : Water Pollution Control Federation,…”