National Bibliography Number
type: https://bioregistry.io/schema/#0000001
description: The National Bibliography Number (NBN), is a URN-based publication identifier system employed by a variety of national libraries such as those of Germany, the Netherlands and Switzerland. They are used to identify documents archived in national libraries, in their native format or language, and are typically used for documents which do not have a publisher-assigned identifier.
is part of: bioregistry
0000005: urn:nbn:fi:tkk-004781
0000006: http://nbn-resolving.org/$1
0000008: ^(urn|URN):(nbn|NBN)(:[A-Za-z_0-9]+)*.+$
0000012: false
0000024: http://nbn-resolving.org/
0000026: 01n7gem85
0000027: urn:nbn:fi:tkk-004781
0000029: nbn