@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#> .

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    bf:acquisitionSource [ a bf:AcquisitionSource ;
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    bf:adminMetadata [ a bf:AdminMetadata ;
            bflc:catalogerId "Unknown" ;
            bf:date "2026-09-11" ;
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            bf:derivedFrom <http://id.loc.gov/resources/instances/12982699> ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/c> ] ;
    bf:carrier <http://id.loc.gov/vocabulary/carriers/nc> ;
    bf:dimensions "24 cm" ;
    bf:extent [ a bf:Extent ;
            rdfs:label "volumes" ;
            bf:note [ a bf:Note,
                        <http://id.loc.gov/vocabulary/mnotetype/physical> ;
                    rdfs:label "illustrations" ] ] ;
    bf:firstIssue "Vol. 18, no. 1/2 (Jan./Apr. 1934)" ;
    bf:frequency [ a bf:Frequency ;
            rdfs:label "Quarterly" ;
            bf:date "-2013" ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/former> ],
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            bf:status <http://id.loc.gov/vocabulary/mstatus/current> ],
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            rdf:value "403996--8" ],
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            rdf:value "4039968" ],
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    bf:note [ a bf:Note,
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            bflc:simpleDate "1934-2021" ;
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    bf:title [ a bf:Title ;
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            bf:mainTitle "The journal of agriculture of the University of Puerto Rico" ] .