Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6621
Is Reference of Isotopic weight abundance-en#Sense
Isotopic abundance by weight-en#Sense
Richesse isotopique pondérale-fr#Sense
Teneur isotopique pondérale-fr#Sense
Weight percent abundance-en#Sense