Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6831001
Is Reference of Putsolaan-et#Sense
Pozolana-pt#Sense
Pucolán-cs#Sense
Pozzolana-it#Sense
Potsolaani-fi#Sense
Φυσική ποζολάνη-el#Sense
Puzzolan-da#Sense
Puzzolan-de#Sense
Puzolana-es#Sense
Pouzzolane naturelle-fr#Sense
Puzolán-sk#Sense