A comparative study of dusting by means of airplane and ground machine for the control of the blueberry maggot
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書誌事項
A comparative study of dusting by means of airplane and ground machine for the control of the blueberry maggot
(Circular / United States Department of Agriculture, no. 123)
United States Department of Agriculture, 1930
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注記
Title and responsibility from caption
"Contribution from Bureau of Entomology."
Includes bibliographical references