NOTE
Swepub data only, needed for swepub search. If a need arises, strive for a better model e.g. indirectlyIdentifiedBy.Local.value
addProperty
{ "@id": "https://id.kb.se/vocab/marc:relatedIdentifier" }
Exempel: -
MARC
{
  "009": "oai:DIVA.org:kth-226820"
}
JSON-LD
{
  "marc:relatedIdentifier": [
    "oai:DIVA.org:kth-226820"
  ]
}