Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6411003
Is Reference of Ειδική πυκνότητα κόκκων-el#Sense
Particle density-en#Sense
Kornrohdichte-de#Sense
Partikeldensitet-sv#Sense
Partikeltæthed-da#Sense
Masse volumique granulaire-fr#Sense
Kiintotiheys-fi#Sense