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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/PB/2/6/23" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>'Fundamental Particles'</dc:title>
  <dc:description>Institute of Physics, 9 December 1949.  (See also B.68).</dc:description>
  <dc:date>1949</dc:date>
</rdf:Description>