Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Λόγος μαζών-el#Sense
Massförhållande-sv#Sense
Masseforholdet-da#Sense
Rapporto di massa-it#Sense
Massenverhältnis-de#Sense
Cóimheas maise-ga#Sense
Massaverhouding-nl#Sense
Massasuhde-fi#Sense
Relación másica-es#Sense
Rapport massique-fr#Sense
Mass ratio-en#Sense
Relação de massa-pt#Sense