International Solid Waste Association. Working Group on Sewage & Waterworks Sludge. (1998). Sludge treatment and disposal: Management approaches and experiences. Office for Official Publications of the European Communities.
Cita Chicago Style (17a ed.)International Solid Waste Association. Working Group on Sewage & Waterworks Sludge. Sludge Treatment and Disposal: Management Approaches and Experiences. Luxembourg: Office for Official Publications of the European Communities, 1998.
Cita MLA (9a ed.)International Solid Waste Association. Working Group on Sewage & Waterworks Sludge. Sludge Treatment and Disposal: Management Approaches and Experiences. Office for Official Publications of the European Communities, 1998.
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