M.6-3 All documents are classified using the Dewey Decimal Classi-fication (DDC), at least in accordance with the German National Bibliography’s subject headings.

• Short Title: M.6-3 All documents are classified using the Dewey Decimal Classi-fication (DDC), at least in accordance with the German National Bibliography’s subject headings.
• Source Documnent: DINI Certificate for Open Access Publication Services 2019
• Source Document Link: https://doi.org/10.18452/21759
• Publishing Organisation: DINI Working Group "Electronic Publishing"
• Date of Publication: 2020-08-21
• Topic: Metadata richness/ ingest/ submission, Interlinking/ interoperability
• Keywords: indexing, classification
• Addressed Stakeholders: data service providers
• Full Text: See https://www.ddc-deutsch.de, https://nbn-resolving.org/urn:nbn:de:101-2014050500 and section A.2.2.Sets for DDC Groups