Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3221
Is Reference of Búsqueda de referencias-es#Sense
L69-nl#Sense
Reference retrieval-en#Sense
Recherche de références-fr#Sense
Ricerca dei riferimenti-it#Sense
Reference retrieval %1F SR-nl#Sense
Nachweisretrieval-de#Sense