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  <titleInfo>
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    <title>o y ecología</title>
    <subTitle>problemas y perspectivas</subTitle>
  </titleInfo>
  <name type="personal">
    <namePart>Orr. W, David</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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  <name type="personal">
    <namePart>Orr, David W.</namePart>
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  <name type="personal">
    <namePart>Soroos, Marvin S.</namePart>
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    <place>
      <placeTerm type="text">México</placeTerm>
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    <publisher>Fondo de Cultura Económica</publisher>
    <dateIssued>1983</dateIssued>
    <issuance>monographic</issuance>
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  <language>
    <languageTerm authority="iso639-2b" type="code">spa</languageTerm>
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  <physicalDescription>
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    <extent>403 páginas</extent>
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  <subject>
    <topic>Equilibrio ecológico</topic>
  </subject>
  <subject>
    <topic>Sociedad</topic>
    <topic>Medio ambiente</topic>
  </subject>
  <subject>
    <topic>Naturaleza</topic>
    <topic>Conservación</topic>
  </subject>
  <subject>
    <topic>Medio ambiente</topic>
    <topic>conservación</topic>
  </subject>
  <classification authority="ddc">307.76 O75m</classification>
  <identifier type="isbn">9861615425</identifier>
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