@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/88c4129a-d261-4656-ae19-a4a4b701cdbc> a bf:Instance ;
    bf:adminMetadata [ a bf:AdminMetadata ;
            bf:agent <http://id.loc.gov/vocabulary/organizations/cbc> ;
            bf:date "2026-09-11T20:18:38.517257+00:00"^^xsd:dateTime ;
            bf:derivedFrom <http://id.loc.gov/resources/instances/24038233> ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/c> ],
        [ 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:carrier <http://id.loc.gov/vocabulary/carriers/nc> ;
    bf:copyrightDate "2024"^^<http://id.loc.gov/datatypes/edtf> ;
    bf:dimensions "24 cm" ;
    bf:extent [ a bf:Extent ;
            rdfs:label "xxx, 381 pages" ] ;
    bf:identifiedBy [ a bf:Isbn ;
            bf:qualifier "electronic bk" ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/cancinv> ;
            rdf:value "9781776460915" ],
        [ a bf:Isbn ;
            bf:qualifier "paperback" ;
            rdf:value "9781776460816" ],
        [ a bf:Lccn ;
            rdf:value "  2023301577" ],
        [ a bf:Isbn ;
            bf:qualifier "paperback" ;
            rdf:value "1776460812" ] ;
    bf:instanceOf <https://stage.bcld.info/works/dd4b7437-e480-4142-9b5a-040cc2d37e1c> ;
    bf:issuance <http://id.loc.gov/vocabulary/issuance/mono> ;
    bf:media <http://id.loc.gov/vocabulary/mediaTypes/n> ;
    bf:note [ a bf:Note,
                <http://id.loc.gov/vocabulary/mnotetype/biblio> ;
            rdfs:label "Includes bibliographical references and index" ] ;
    bf:provisionActivity [ a bf:ProvisionActivity,
                bf:Publication ;
            bflc:simpleAgent "Unisa Press" ;
            bflc:simpleDate "[2024]" ;
            bflc:simplePlace "[Pretoria]" ;
            bf:date "2024"^^<http://id.loc.gov/datatypes/edtf> ;
            bf:place <http://id.loc.gov/vocabulary/countries/sa> ] ;
    bf:publicationStatement "[Pretoria]: Unisa Press, [2024]" ;
    bf:responsibilityStatement "Colin T. Johnson ; foreword by Malegapuru Makgoba" ;
    bf:title [ a bf:Title ;
            bf:mainTitle "Dark matters" ;
            bf:subtitle "a conversation with history, saluting the extraordinary humanitarian endeavours of South Africa Black scientists" ] .