Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of ASPU-it#Sense
SVS-de#Sense
Schweizer Vogelschutz-de#Sense
Association suisse pour la protection des oiseaux-fr#Sense
ASPO-fr#Sense
Associazione svizzera per la protezione degli uccelli-it#Sense