Vaz, Sofia Guedes
Reporting on environmental measures : are we being effective?
/ prepared by Sofia Guedes Vaz ... [et al.]
. - Luxembourg : Office for Official Publications of the European Communities, 2001
. - 35 p. : il. color
. - (Environmental issue report / European Environment Agency ; 25)
ISBN 92-9167-400-1 (brochado).
Política ambiental--Estatísticas--União Europeia Qualidade do ambiente