Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of M-fr#Sense
M-de#Sense
Mach-Zahl-de#Sense
Nombre de Mach-fr#Sense
M-it#Sense
Numero dei mach-it#Sense
Mach number-en#Sense
M-en#Sense