Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of IMPA-en#Sense
IMPA-pt#Sense
International Maritime Pilots' Association-en#Sense
Asociación Internacional de Pilotos Marítimos-es#Sense
Associação Internacional dos Pilotos Marítimos-pt#Sense