IATE-1573951

Subject Field	Subject Field/3226
Is Reference of	Synchrone digitale Hierarchie-de#Sense
	Hierarchie numérique synchrone-fr#Sense
	SDH-en#Sense
	Synkron digital hierarki-sv#Sense
	Σύγχρονη ψηφιακή ιεραρχία-el#Sense
	Synkroninen digitaalinen hierarkia-fi#Sense
	SDH-de#Sense
	SDH-fr#Sense
	SDH-sv#Sense
	Synchronous digital hierarchy-en#Sense
	Sinchroninė skaitmeninė hierarchija-lt#Sense
	SDH-lt#Sense