Showing 1 - 3 results of 3 for search 'Academy of Natural Sciences of Philadelphia' Refine Results
  1. 1
    The diatoms of the United States : exclusive of Alaska and Hawaii / by R. Patrick and C.W. Reimer
    by Patrick, R.
    Published 1966
    “...Academy of Natural Sciences of Philadelphia...”
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  2. 2
    The diatoms of the United States : exclusive of Alaska and Hawaii / by R. Patrick and C.W. Reimer
    by Patrick, R.
    Published 1975
    “...Academy of Natural Sciences of Philadelphia...”
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  3. 3
    Water quality criteria first national meeting on Water Quality Criteria American Society for Testing and Materials Philadelphia, Pa., Sept. 21-22,1966.
    Published 1967
    “...Academy of Natural Sciences of Philadelphia...”
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