@prefix bf: <http://id.loc.gov/ontologies/bibframe/> .
@prefix bflc: <http://id.loc.gov/ontologies/bflc/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

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    bf:adminMetadata [ a bf:AdminMetadata ;
            bf:agent <http://id.loc.gov/vocabulary/organizations/cbc> ;
            bf:date "2026-09-11T20:21:05.088619+00:00"^^xsd:dateTime ;
            bf:derivedFrom <http://id.loc.gov/resources/instances/15031866> ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/incmp> ],
        [ a bf:AdminMetadata ;
            bflc:catalogerId "Unknown" ;
            bf:date "2026-09-11" ;
            bf:descriptionAuthentication <http://id.loc.gov/vocabulary/marcauthen/pcc> ;
            bf:descriptionLanguage <http://id.loc.gov/vocabulary/languages/eng> ;
            bf:descriptionLevel <http://id.loc.gov/ontologies/bibframe-2-6-0/> ] ;
    bf:identifiedBy [ a bf:Lccn ;
            rdf:value "   00212250 " ],
        [ a bf:Nbn ;
            bf:source <http://id.loc.gov/vocabulary/nationalbibschemes/dnb> ;
            rdf:value "020514751" ] ;
    bf:instanceOf <https://stage.bcld.info/works/eff9ade4-319a-40f8-bec8-a4cc038bd0ff> ;
    bf:publicationStatement "Dordrecht, Netherlands: Kluwer Academic Publishers" ;
    bf:title [ a bf:Title ;
            bf:mainTitle "Photonic network communications" ] .