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<rdf:Description rdf:about="https://archives.ucl.ac.uk:443/CalmView/record/catalog/PENROSE/2/12/18/32" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Petersen, G B</dc:title>
  <dc:description>Letter from G B Petersen to Penrose requesting a reprint of "A Self-Reproducing Analogue" in Nature, volume 179, 1957, and any other similar papers. Annotated by Helen Lang-Brown stating copies of "Nature, Annals [of Human Genetics] sent 5/2/1959"</dc:description>
  <dc:date>4 Feb 1959</dc:date>
</rdf:Description>