LIBROS DEL AUTOR: valentine chapman

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  • Seaweeds and their Uses
    Valentine Chapman
    The 1939-45 war forced the Allied countries to seek alternative sources of raw materials and, as in the First World War, attention was paid by all belligerents to the marine algae or seaweeds. These occur in considerable quantities in various parts of the world, and attempts to make use of this cheap and readily accessible, though not so readily harve...
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