Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of System of notation-en#Sense
Notación-es#Sense
Système de notation-fr#Sense
Notation system-en#Sense
Notational system-en#Sense
Notationssystem-de#Sense
Notation-en#Sense
Sistema di notazione-it#Sense
Sistema de notación-es#Sense
Notationssystem-da#Sense
Notation-fr#Sense
Notatiesysteem-nl#Sense