Hughes, L. (1896). Experiments to learn to what extent the insect is of aid in fertilitzing the pomes.
Chicago-referens (17:e uppl.)Hughes, Luther. Experiments to Learn to What Extent the Insect Is of Aid in Fertilitzing the Pomes. 1896.
MLA-referens (8:e uppl.)Hughes, Luther. Experiments to Learn to What Extent the Insect Is of Aid in Fertilitzing the Pomes. 1896.
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