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  1. By: Lipman, C. B. (Charles Bernard), - Sharp, Leslie Theodore,
    Publication info: Berkeley, University of California press, [1912]
    Holding Institution: Library of Congress
    Subjects: Analysis  Nitrates  Phenol sulphonic acid  Soils  
  2. By: Davis, Charles Wesley.
    Publication info: Easton, Pa, Eschenbach printing company, 1917
    Holding Institution: Library of Congress
    Subjects: Analysis  Nitrates  Phenol sulphonic acid  Soils