4 results Refine Results
  1. 1
    Published 1963
    Serial
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    Saved in:
    U.S. Forest Service research paper FPL.
  2. 2
    Serial
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    Saved in:
    Transportation research circular /
  3. 3
    Journal
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    Saved in:
    Australian journal of applied science /
  4. 4
    Serial
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    Saved in:
    Annual progress report.

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