Showing 1 - 2 results of 2 for search 'Ratsch, Hilman C.', query time: 0.01s Refine Results
  1. 1
    Sulfur content of Douglas-fir foliage near a paper mill /

    Sulfur content of Douglas-fir foliage near a paper mill / by Ratsch, Hilman C.

    Published 1974
    CONNECT
    Government Document Electronic eBook

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  2. 2
    Heavy-metal accumulation in soil and vegetation from smelter emissions /

    Heavy-metal accumulation in soil and vegetation from smelter emissions / by Ratsch, Hilman C.

    Published 1974
    CONNECT
    Government Document Electronic eBook

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