Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Standard di qualità ambientale-it#Sense
Miljøkvalitetskrav-da#Sense
Environmental quality standard-en#Sense
Milieukwaliteitsnorm-nl#Sense
Miljökvalitetsnorm-sv#Sense
Norme de qualité environnementale-fr#Sense