Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Tensión principal-es#Sense
Hauptspannung-de#Sense
Principal stress-en#Sense
Hovedspænding-da#Sense
Hoofdspanning-nl#Sense
Contrainte principale-fr#Sense
Pääjännitys-fi#Sense
Tensão principal-pt#Sense
Huvudspänning-sv#Sense