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  1. The determination of total sulphur in organic matter. By Herman Schreiber ...
    By: Schreiber, Herman.
    Publication info: [Washington,Govt. Print. Off.]1910.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Sulphur  
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  2. Sulphur as a factor in soil fertility ... by John Woodward ...
    By: Woodard, John.
    Publication info: Chicago,1922
    Contributed by: University of California Libraries (archive.org)
    Subjects: Soils  Sulphur  
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