Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/16
Is Reference of Produzione sostenuta-it#Sense
Nachhaltsertrag-de#Sense
Rendimiento sostenido-es#Sense
Sustained yield-en#Sense
Producción sostenida-es#Sense
Rendement soutenu-fr#Sense