Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Σχηματισμός θόλων-el#Sense
Hohlraumbildung-de#Sense
Roofing-en#Sense
Phénomène de voûtes sous les ouvrages hydrauliques-fr#Sense
Fenómeno de arcos sob as estruturas hidráulicas-pt#Sense
Strešniki-sl#Sense
Hulrumsdannelse-da#Sense
Onteloiden muodostaminen-fi#Sense
Tetőfedés-hu#Sense
Hålrumsbildning-sv#Sense
Stogo dengimas-lt#Sense