Sludge treatment and disposal : management approaches and experiences /
by ISWA's Working Group on Sewage & Waterworks Sludge ... [et al.].
- Lumembourg : Office for Official Publications of the European Communities , 1998.
- 54 p. : ill. ; 30 cm.
- Environmental issues series ; no.7 .
References: p.53-54
Issued jointly by: European Environment Agency and ISWA.