Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Det amerikanske olieinstitut-da#Sense
API-da#Sense
IAP-pt#Sense
Instituto Americano de Petróleo-pt#Sense
API-pt#Sense
American Petroleum Institute-en#Sense
API-en#Sense
API-es#Sense
API-fr#Sense
Institut américain du pétrole-fr#Sense
Instituto Americano do Petróleo-pt#Sense
Instituto Americano del Petróleo-es#Sense