Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3606003
Is Reference of Gradiente hidráulico-es#Sense
Hydraulisches Gefälle-de#Sense
Gradiente idraulico-it#Sense
Hydraulische gradient-nl#Sense
Hydraulisk gradient-da#Sense
Gradiente hidráulico-pt#Sense
Gradient hydraulique-fr#Sense