Agência Europeia do Ambiente
Effectiveness of urban wastewater treatment policies in selected countries : an EEA pilot study
/ European Environment Agency
. - Luxembourg : Office for Official Publications of the European Communities, cop. 2005
. - 51 p. : il. color
. - (EEA report , 1725-9177 ; 2/05)
http://www.eea.europa. eu/publications/eea_report_2005_2/at_download/file
ISBN 92-9167-763-9 (brochado).
Tratamento de águas residuais--União Europeia