Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/2841
Is Reference of Smog-da#Sense
Smog-de#Sense
Τοξικό ή δηλητηριώδες νέφος-el#Sense
Humo tóxico-es#Sense
Fumo tóxico-pt#Sense
Brouillard toxique-fr#Sense
Toxic smoke-en#Sense
Giftnebel-de#Sense
Giftig tåge-da#Sense