Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Sperrentreppe-de#Sense
Staffelung-de#Sense
Corrección mediante obras escolonadas-es#Sense
Heel-to-toe correction works-en#Sense
Sistemazione a gradinata-it#Sense
Correction en marches d'escalier-fr#Sense
Abtreppung-de#Sense
Step-wise correction works-en#Sense
Barrages en escalier-fr#Sense