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  1. By: Putnam, John Jacob,
    Publication info: Lincoln, Nebr.,1913.
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Bacteria, Nitrifying  Nebraska  Soils  
  2. By: Whiting, Albert L. (Albert Lemuel),
    Publication info: Urbana, Ill. :University of Illinois Agricultural Experiment Station,1915.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Bacteria, Nitrifying  Fixation  Legumes  Leguminosae  Nitrogen  
  3. By: Western soil bacteria company.
    Publication info: San Francisco,Printed by Taylor & Taylor,c1915
    Holding Institution: Library of Congress
    Subjects: Bacteria, Nitrifying  
  4. By: Umali-Garcia, Mercedes,
    Publication info: 1978.
    Holding Institution: University of Florida, George A. Smathers Libraries
    Subjects: Bacteria, Nitrifying  Dissertations, Academic  Fixation  FU  Grasses  Nitrogen  Soil science  Soil Science thesis Ph. D  Symbiosis  UF  
  5. By: Hills, Thomas Lawrence,
    Publication info: Washington,Govt. print. off.,1918.
    Holding Institution: Library of Congress
    Subjects: Bacteria, Nitrifying  Nitrates  
  6. By: Wood, Alvin Gleave,
    Publication info: 1982.
    Holding Institution: University of Florida, George A. Smathers Libraries
    Subjects: Azospirillum  Bacteria, Nitrifying  Dissertations, Academic  Microbiology and Cell Science  Microbiology and Cell Science thesis Ph. D  Nitrogen-fixing microorganisms  UF  
  7. By: Lipman, C. B. (Charles Bernard),
    Publication info: Baltimore,1911
    Holding Institution: University of California Libraries (archive.org)
    Subjects: Bacteria, Nitrifying  Nitrification  
  8. By: Thomsen, Peter.
    Publication info: Kiel :Schmidt & Klaunig,1908.
    Holding Institution: MBLWHOI Library
    Subjects: Bacteria, Nitrifying  Marine microbiology