Metcalf

Wastewater Engineering: Treatment and Reuse

H. D. Stensel, G. Tchobanoglous, F. L. Burton, 2002 .

The Institution of Electrical Engineers

Noel Ashbridge, M. A. Elliott, F. C. Williams, 1962, Nature.

Wastewater Engineering: Collection and Pumping of Wastewater

George Tchobanoglous, G. Tchobanoglous, Metcalf, 1981 .

Water Reuse : Issues, Technologies, and Application

Metcalf, Eddy, 2007 .