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By "Gunderson, A. J. (Alfred Joseph), 1889-"
Field experiments in spraying apple orchards for the control of apple blotch / by A.J. Gunderson.
By: Gunderson, A. J.
Publication info: Urbana, Ill. :University of Illinois Agricultural Experiment Station,1919.
Contributed by: University of Illinois Urbana Champaign