Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Hidrogeologia-pt#Sense
Hydrogeologi-da#Sense
Hydrogeologie-nl#Sense
Hydrogeologie-de#Sense
Idrogeologia-it#Sense
Υδρογεωλογία-el#Sense
Hydrogeology-en#Sense
Hidrogeología-es#Sense
Hydrogéologie-fr#Sense