Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Gauge datum-en#Sense
Asteikon nollataso-fi#Sense
Quota no zero da escala-pt#Sense
Pegelns referensplan-sv#Sense
Υψόμετρον μηδέν σταθμημέτρου-el#Sense
Pegelnull-de#Sense
Referencepunkt på vandstandsmåler-da#Sense
Cote du zéro de l'échelle-fr#Sense
Mätpunktsnivå-sv#Sense
Zero idrometrico-it#Sense
Asteikon perustaso-fi#Sense
Hoogte van meternulpunt-nl#Sense
Referensplan-sv#Sense
Cota base del limnímetro-es#Sense