@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:dimensions "7 in" ;
    bf:extent [ a bf:Extent ;
            rdfs:label "1 sound tape reel" ;
            bf:note [ a bf:Note,
                        <http://id.loc.gov/vocabulary/mnotetype/physical> ;
                    rdfs:label "analog, 7 1/2 ips, mono." ] ] ;
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            rdf:value "   95770371 " ] ;
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    bf:note [ a bf:Note ;
            rdfs:label "Accompanied by printed transcript of lecture in the book, Contemporary American poetry, shelved under LWO 6100." ],
        [ a bf:Note ;
            rdfs:label "Copies transferred to the Archive of Recorded Poetry and Literature, Library of Congress in 1970." ],
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            rdfs:label "Literary recordings, rev., enl. ed.," ;
            bflc:citation "p. 181." ],
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            rdfs:label "A radio lecture planned and coordinated for the Voice of America forum lectures by Howard Nemerov, Consultant in Poetry to the Library of Congress." ] ;
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    bf:title [ a bf:Title ;
            bf:mainTitle "Towards an open universe" ] .