![](/sites/default/files/reference_icons/UNEP%20%26%20MURDOCH%202004%20Environmentally%20Sound%20Technoliges%20in%20wastewater%20treatment.jpg)
UNEP
(2002):
4.2.1 Activated sludge treatment.
In:
UNEP
; MURDOCH UNIVERSITY
(2004):
Environmentally sound technologies in wastewater treatment for the implementation of the UNEP/GPA "Guidelines on Municipal Wastewater Management".
The Hague:
.
URL
[Accessed: 22.07.2010]