@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/d4f86f43-0d1d-40e1-8b14-300fdf2ecefb> 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 "2026-09-11T20:12:50.086326+00:00"^^xsd:dateTime ;
            bf:derivedFrom <http://id.loc.gov/resources/instances/20778589> ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/c> ] ;
    bf:carrier <http://id.loc.gov/vocabulary/carriers/nc> ;
    bf:dimensions "23 cm" ;
    bf:editionStatement "Di 1 ban",
        "第1版"@zh-hani ;
    bf:extent [ a bf:Extent ;
            rdfs:label "421 pages" ;
            bf:note [ a bf:Note,
                        <http://id.loc.gov/vocabulary/mnotetype/physical> ;
                    rdfs:label "illustrations (some color), maps, portraits, facsimiles" ] ] ;
    bf:identifiedBy [ a bf:Isbn ;
            rdf:value "7514511903" ],
        [ a bf:Isbn ;
            rdf:value "9787514511901" ],
        [ a bf:Lccn ;
            rdf:value "  2018368803" ] ;
    bf:instanceOf <https://stage.bcld.info/works/0b58d704-a382-49eb-8e58-8131b3717759> ;
    bf:issuance <http://id.loc.gov/vocabulary/issuance/mono> ;
    bf:media <http://id.loc.gov/vocabulary/mediaTypes/n> ;
    bf:provisionActivity [ a bf:ProvisionActivity,
                bf:Publication ;
            bflc:simpleAgent "Zhongguo zhi gong chu ban she",
                "中国致公出版社"@zh-hani ;
            bflc:simpleDate "2018",
                "2018"@zh-hani ;
            bflc:simplePlace "Beijing Shi",
                "北京市"@zh-hani ;
            bf:date "2018"^^<http://id.loc.gov/datatypes/edtf> ;
            bf:place <http://id.loc.gov/vocabulary/countries/cc> ] ;
    bf:publicationStatement "Beijing Shi: Zhongguo zhi gong chu ban she, 2018",
        "北京市: 中国致公出版社, 2018"@zh-hani ;
    bf:responsibilityStatement "Zhang Qingsong zhu",
        "张青松著"@zh-hani ;
    bf:title [ a bf:Title ;
            bf:mainTitle "Zhongguo shang kong de ying",
                "中国上空的鹰"@zh-hani ;
            bf:subtitle "Sulian yuan Hua hang kong zhi yuan dui zhan shi : 1937-1941",
                "苏联援华航空志愿队战史 : 1937-1941"@zh-hani ] .