Biodiversity Heritage Library
By "Guba, Emil Frederick, 1897-"
Phyllosticta leaf spot, fruit blotch, and canker of the apple : its etiology and control / by Emil Frederick Guba.
By: Guba, Emil Frederick,
Publication info: Urbana, Ill. :University of Illinois Agricultural Experiment Station,1925.
Contributed by: University Library, University of Illinois Urbana Champaign