Plant-breeding;
comments on the experiments of Nilsson and Burbank,
by Hugo de Vries.

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Full view   University of Michigan
Full view   Harvard University
Full view   University of Illinois at Urbana-Champaign
Full view   University of Illinois at Urbana-Champaign
Full view   University of Illinois at Urbana-Champaign
Full view   1907 North Carolina State University