3 results Refine Results
  1. 1
    by Ehrlich, Paul R.
    Published 1973
    “...W. H. Freeman,...”
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    Human ecology : problems and solutions /
  2. 2
    by Ehrlich, Paul R.
    Published 1977
    “...W. H. Freeman,...”
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    Ecoscience : population, resources, environment /
  3. 3
    by Ehrlich, Paul R.
    Published 1971
    “...W. H. Freeman,...”
    Book
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    Man and the ecosphere : readings from Scientific American /

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