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  <titleInfo>
    <title>Concepto de reserva de la biosfera</title>
  </titleInfo>
  <name type="personal">
    <namePart>Halffter, Gonzalo</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <typeOfResource/>
  <originInfo>
    <place>
      <placeTerm type="text">Veracruz</placeTerm>
    </place>
    <publisher>Instituto de Ecología</publisher>
    <dateIssued>1991</dateIssued>
    <issuance/>
  </originInfo>
  <language>
    <languageTerm authority="iso639-2b" type="code">Esp</languageTerm>
  </language>
  <language>
    <languageTerm authority="iso639-2b" type="code">año</languageTerm>
  </language>
  <language>
    <languageTerm authority="iso639-2b" type="code">l</languageTerm>
  </language>
  <physicalDescription>
    <extent>1-25 p.</extent>
  </physicalDescription>
  <relatedItem type="host">
    <titleInfo>
      <title>En Llorente B. Jorge; Ponce U. Hugo/ Memorias del seminario sobre conservación de la diversidad biológica de México</title>
    </titleInfo>
  </relatedItem>
  <recordInfo/>
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