Biodiversity Heritage Library
By "Knox, Gordon Daniell. "
The spirit of the soil; or, An account of nitrogen fixation in the soil by bacteria and of the production of auximones in bacterized peat, by Gordon D. Knox ... with a foreword by Professor W.B. Bottomley ...
By: Knox, Gordon Daniell.
Edition: 2nd impression.
Publication info: New York,Stokes
Contributed by: University of California Libraries (archive.org)