Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of European Eco-Efficiency Initiative-en#Sense
Iniciativa Ecoeficiencia-es#Sense
IEE-es#Sense
Iniciativa Europea de Ecoeficiencia-es#Sense
EEEI-en#Sense
Euroopan ekologista tehokkuutta koskeva aloite-fi#Sense