Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811
Is Reference of Massenverhältnis-de#Sense
<i>ζ<sub>ik</sub></i> = <i>m<sub>i</sub>/m<sub>k</sub></i>-de#Sense
Rapport de masse-fr#Sense
Cóimheas maise-ga#Sense
Mass ratio-en#Sense