Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811
Is Reference of Polinuclidi aromatici-it#Sense
Polynukleær aromatisk forbindelse-da#Sense
Πολυπύρηνες αρωματικές ενώσεις-el#Sense
Polynuclear aromatics-en#Sense
Polynucléaires aromatiques-fr#Sense
Composti aromatici polinucleari-it#Sense
PNA-it#Sense
PNA-da#Sense
Meerkernig aromaat-nl#Sense
Mangekernet aromatisk forbindelse-da#Sense
Mehrkernige aromatische Verbindungen-de#Sense
PNA-fr#Sense
Compostos aromáticos polinucleares-pt#Sense
PNA-en#Sense