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  <titleInfo>
    <title>Avances científicos más notables del siglo xx</title>
  </titleInfo>
  <name type="personal">
    <namePart>Àlvarez del Real, María Eloísa</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <typeOfResource>text</typeOfResource>
  <originInfo>
    <place>
      <placeTerm type="text">Panamá, República de Panamá</placeTerm>
    </place>
    <publisher>Editorial América</publisher>
    <dateIssued>1991</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <language>
    <languageTerm authority="iso639-2b" type="code">spa</languageTerm>
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  <physicalDescription>
    <form authority="marcform">print</form>
    <extent>vol.1 -320    páginas</extent>
  </physicalDescription>
  <note type="statement of responsibility">María Eloísa Àlvarez del Real</note>
  <subject>
    <topic>    1-Ciencia- tecnología siglo 20</topic>
  </subject>
  <subject>
    <topic> 2- aviación- navegación</topic>
  </subject>
  <classification authority="ddc">500              A473a   1991   vol.1</classification>
  <identifier type="isbn">0-944499-95-3</identifier>
  <recordInfo>
    <recordContentSource authority="marcorg">DO-SdBJH</recordContentSource>
    <recordCreationDate encoding="marc">180911</recordCreationDate>
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