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    Human ecology collected readings by Bresler, Jack Barry

    Published 1966
    Book
  3. 3

    Introduction to environmental issues by Luoma, Samuel N.

    Published 1984
    Visual Material
  4. 4
  5. 5

    Volcanic activity and human ecology

    Published 1979
    Book
  6. 6

    Adventure in environment teacher's guide

    Published 1971
    Book
  7. 7