Check the field in the legacy - how it is used and how to migrate it comment from the Librarians: this is a CDS field, used for the OAI feeds I guess example: https://cds.cern.ch/record/2654259 looks like type book also in DOI
Check the field in the legacy - how it is used and how to migrate it
comment from the Librarians: this is a CDS field, used for the OAI feeds I guess
example: https://cds.cern.ch/record/2654259 looks like type book also in DOI