Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811001
Is Reference of Mangekernet aromatisk carbonhydrid-da#Sense
Hidrocarburo aromático polinuclear-es#Sense
Polycyclische aromatische koolwaterstof-nl#Sense
Πολυπυρηνικός αρωματικός υδρογονάνθρακας-el#Sense
Idrocarburo aromatico polinucleare-it#Sense
Hidrocarboneto aromático polinuclear-pt#Sense
Hydrocarbure aromatique polynucléaire-fr#Sense
Mehrkerniger aromatischer Kohlenwasserstoff-de#Sense
Polynuclear aromatic hydrocarbon-en#Sense