Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Plan de représentation des contraintes-fr#Sense
Spanningsvlak-nl#Sense
Spänningsplan-sv#Sense
Stress plane-en#Sense
Jännitystaso-fi#Sense
Spændingsplan-da#Sense
Spannungsebene-de#Sense