@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 rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://stage.bcld.info/instances/d0051453-416e-4e63-9bdd-9c42226b36d8> a bf:Instance ;
    bf:adminMetadata [ 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/> ],
        [ a bf:AdminMetadata ;
            bf:agent <http://id.loc.gov/vocabulary/organizations/cbc> ;
            bf:date "2026-09-11T20:15:18.819191+00:00"^^xsd:dateTime ;
            bf:derivedFrom <http://id.loc.gov/resources/instances/18142643> ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/c> ] ;
    bf:carrier <http://id.loc.gov/vocabulary/carriers/cr> ;
    bf:frequency [ a bf:Frequency ;
            rdfs:label "Four issues per year" ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/current> ],
        <http://id.loc.gov/vocabulary/frequencies/irr>,
        <http://id.loc.gov/vocabulary/frequencies/qrt> ;
    bf:identifiedBy [ a bf:Lccn ;
            rdf:value "  2012238848" ] ;
    bf:instanceOf <https://stage.bcld.info/works/fe08e462-e950-44bd-84b5-3d2ddde4f7e4> ;
    bf:issuance <http://id.loc.gov/vocabulary/issuance/serl> ;
    bf:media <http://id.loc.gov/vocabulary/mediaTypes/c> ;
    bf:note [ a bf:Note,
                <http://id.loc.gov/vocabulary/mnotetype/issuing> ;
            rdfs:label "Issued by: Polish Academy of Sciences, Committee of Metallurgy and Institute of Metallurgy and Materials Science." ],
        [ a bf:Note,
                <http://id.loc.gov/vocabulary/mnotetype/descsource> ;
            rdfs:label "Description based on: Vol. 55, issue 4 (Dec. 2010); title from contents page (publisher's journal website, viewed Aug. 22, 2012)." ],
        [ a bf:Note ;
            rdfs:label "Print began with vol. 49, no. 1 (2004)." ],
        [ a bf:Note,
                <http://id.loc.gov/vocabulary/mnotetype/descsource> ;
            rdfs:label "Latest issue consulted: Vol. 60 issue 1 (Mar. 2015) De Gruyter website (viewed Aug. 17, 2015)." ],
        [ a bf:Note,
                <http://id.loc.gov/vocabulary/mnotetype/orig> ;
            rdfs:label "Electronic" ] ;
    bf:provisionActivity [ a bf:ProvisionActivity,
                bf:Publication ;
            bflc:simpleAgent "Polish Academy of Sciences" ;
            bflc:simplePlace "Warsaw" ;
            bf:date "2004/.."^^<http://id.loc.gov/datatypes/edtf> ;
            bf:place <http://id.loc.gov/vocabulary/countries/pl> ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/current> ] ;
    bf:publicationStatement "Warsaw: Polish Academy of Sciences" ;
    bf:systemRequirement [ a bf:SystemRequirement ;
            rdfs:label "Mode of access: World Wide Web." ] ;
    bf:title [ a bf:Title ;
            bf:mainTitle "Archives of metallurgy and materials" ] .

