Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3226004
Is Reference of Synchronous Digital Hierarchy-de#Sense
Jerarquía digital síncrona-es#Sense
SDH-en#Sense
Hiérarchie numérique synchrone-fr#Sense
SDH-fr#Sense
(SDH)-el#Sense
SDH-it#Sense
SDH-fi#Sense
Synchronous digital hierarchy-en#Sense
Synchronous digital hierarchy-da#Sense
Σύγχρονη ψηφιακή ιεραρχία-el#Sense
Gerarchia sincrona digitale-it#Sense
Hiérarchie synchrone numérique-fr#Sense
Synkront digitalt hierarki-da#Sense
JDS-es#Sense
Synkronoitu digitaalinen hierarkia-fi#Sense
SDH-da#Sense