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  1. An easy test for bacteria in milk and cream (Barthel's reductase test improved)
    By: Jone, Hugo.
    Publication info: Brooklyn, N.Y.,H. Jone,1915.
    Contributed by: Library of Congress
    View Book
  2. An easy test for bacteria in milk and cream (Barthel's reductase test improved) by Hugo Jone ...
    By: Jone, Hugo.
    Publication info: Brooklyn, N.Y.,H. Jone,1915.
    Contributed by: Library of Congress
    View Book