frbr in turtle quick example

@prefix frbr: <http://purl.org/vocab/frbr/core#> .
@prefix :     <http://example.org/> .
@prefix dct:  <	http://purl.org/dc/terms/rights> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

:i a frbr:Item ;
   dct:description "Autographed by author.";
   frbr:exemplarOf :m .
   :m a frbr:Manifestation ;
      dct:date 2001;
      dct:publisher "HarperTorch";
      frbr:embodimentOf :e .
      :e a frbr:Expression ;
         dct:date 1987;
         dct:language "fr";
         frbr:realizationOf :w.
         :w a frbr:Work;
            dct:title "Mort";
            dct:date 1987;
            dct:subject <http://id.loc.gov/authorities/sh85047145#concept> .
            <http://id.loc.gov/authorities/sh85047145#concept>
              skos:prefLabel "Fantasy literature"@en.
          :w dct:creator :pratchett.
             :pratchett a frbr:Person .