Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Röntgen-de#Sense
Roentgen-en#Sense
Roentgenio-es#Sense
Röntgen-es#Sense
Röntgen-fr#Sense
Roentgen-fr#Sense
Røntgen-da#Sense
Roentgen-es#Sense
Röntgen-nl#Sense
Röntgen-pt#Sense
Röntgen-it#Sense
Röntgen-sv#Sense
Röntgen-fi#Sense