3. Persistent Links Through URN:NBN

An important feature of the DiVA Publishing System is the URN:NBN (Uniform Resource Name National Bibliographic Number) which is created in co-operation with the Royal Library. Each item in the archive is assigned a unique, persistent National Bibliographic Number and Uniform Resource Name to assure future access.

Two 856 fields for electronic location and access are added in MARC 21 records: one for the URN:NBN and one for the corresponding URL to the resolution service. The latter one can be used for automatic creation of web links in library systems.

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