Washburn, F.L. Injurious insects of 1903. 1903. Saint Paul, Minn.: University of Minnesota. Agricultural Experiment Station. Bulletin 84, page i-viii, 1-184
Bulletin (University of Minnesota. Agricultural Experiment Station);
This archival publication may not reflect current scientific knowledge or recommendations. Current information available from University of Minnesota Agricultural Experiment Station: http://www.maes.umn.edu/
Washburn, F. L.; University of Minnesota. Entomological Division.
Injurious insects of 1903.
University of Minnesota. Agricultural Experiment Station.
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