Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Ροή με ελευθέραν επιφάνειαν-el#Sense
Corrente a pelo libero-it#Sense
Strömning i öppen kanal-sv#Sense
Écoulement à surface libre-fr#Sense
Open channel flow-en#Sense
Escoamento em superfície livre-pt#Sense
Vapaa virtaus-fi#Sense
Stroming met een vrije waterspiegel-nl#Sense
Strømning i åben kanal-da#Sense
Freispiegel-Stroemung-de#Sense