@prefix bf: <http://id.loc.gov/ontologies/bibframe/> .
@prefix bflc: <http://id.loc.gov/ontologies/bflc/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

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    rdfs:label "Photonic network communications" ;
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            bf:descriptionLevel <http://id.loc.gov/ontologies/bibframe-2-6-0/> ] ;
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    bf:language <http://id.loc.gov/vocabulary/languages/eng> ;
    bf:title [ a bf:AbbreviatedTitle ;
            bf:assigner [ a bf:Agent ;
                    bf:code "issnkey" ] ;
            bf:mainTitle "Photonic netw. commun." ;
            bf:qualifier "(Print)" ],
        [ a bf:KeyTitle ;
            bf:mainTitle "Photonic network communications" ;
            bf:qualifier "(Print)" ],
        [ a bf:Title ;
            bf:mainTitle "Photonic network communications" ] .