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<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/TG/1/8/445" 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 Thomas Gold to Dr David Pines, Department of Physics, University of Illinois, Urbana, Illinois</dc:title>
  <dc:description>Enclosed graphs may interest  Pines. Dispersion measure is some index of distnce, and thus, statistically, of strength. 'Apparent Age' is P/P. They willsend him updated ones periodically.</dc:description>
  <dc:date>18 October 1971</dc:date>
</rdf:Description>