Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Intervention system-en#Sense
System interwencyjny-pl#Sense
Intervencijski sistem-sl#Sense
Intervenčný systém-sk#Sense
Intervencinė sistema-lt#Sense
Intervenciós rendszer-hu#Sense