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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/EL/G1/8" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letter, from Regnier de Graaf to Henry Oldenburg, dated at Delft</dc:title>
  <dc:description>States that he has sent his published treatise on pancreatic juice; states that the debate concerning the motion of semen is resolved by the figure he has sent (not with this letter)</dc:description>
  <dc:date>29 June 1671</dc:date>
</rdf:Description>